20804879600

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{10273}}^1$

素因数の和:10435

約数の個数: 120

約数和(自身を含む): 51420219312

約数和(自身を除く): 30615339712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 83, 100, 122, 166, 200, 244, 305, 332, 400, 415, 488, 610, 664, 830, 976, 1220, 1328, 1525, 1660, 2075, 2440, 3050, 3320, 4150, 4880, 5063, 6100, 6640, 8300, 10126, 10273, 12200, 16600, 20252, 20546, 24400, 25315, 33200, 40504, 41092, 50630, 51365, 81008, 82184, 101260, 102730, 126575, 164368, 202520, 205460, 253150, 256825, 405040, 410920, 506300, 513650, 626653, 821840, 852659, 1012600, 1027300, 1253306, 1705318, 2025200, 2054600, 2506612, 3133265, 3410636, 4109200, 4263295, 5013224, 6266530, 6821272, 8526590, 10026448, 12533060, 13642544, 15666325, 17053180, 21316475, 25066120, 31332650, 34106360, 42632950, 50132240, 52012199, 62665300, 68212720, 85265900, 104024398, 125330600, 170531800, 208048796, 250661200, 260060995, 341063600, 416097592, 520121990, 832195184, 1040243980, 1300304975, 2080487960, 2600609950, 4160975920, 5201219900, 10402439800, 20804879600]

約数ペア:

[(1, 20804879600), (2, 10402439800), (4, 5201219900), (5, 4160975920), (8, 2600609950), (10, 2080487960), (16, 1300304975), (20, 1040243980), (25, 832195184), (40, 520121990), (50, 416097592), (61, 341063600), (80, 260060995), (83, 250661200), (100, 208048796), (122, 170531800), (166, 125330600), (200, 104024398), (244, 85265900), (305, 68212720), (332, 62665300), (400, 52012199), (415, 50132240), (488, 42632950), (610, 34106360), (664, 31332650), (830, 25066120), (976, 21316475), (1220, 17053180), (1328, 15666325), (1525, 13642544), (1660, 12533060), (2075, 10026448), (2440, 8526590), (3050, 6821272), (3320, 6266530), (4150, 5013224), (4880, 4263295), (5063, 4109200), (6100, 3410636), (6640, 3133265), (8300, 2506612), (10126, 2054600), (10273, 2025200), (12200, 1705318), (16600, 1253306), (20252, 1027300), (20546, 1012600), (24400, 852659), (25315, 821840), (33200, 626653), (40504, 513650), (41092, 506300), (50630, 410920), (51365, 405040), (81008, 256825), (82184, 253150), (101260, 205460), (102730, 202520), (126575, 164368)]