39618800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:451

約数の個数: 120

約数和(自身を含む): 108170160

約数和(自身を除く): 68551360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 80, 95, 100, 104, 130, 152, 190, 200, 208, 247, 260, 304, 325, 380, 400, 401, 475, 494, 520, 650, 760, 802, 950, 988, 1040, 1235, 1300, 1520, 1604, 1900, 1976, 2005, 2470, 2600, 3208, 3800, 3952, 4010, 4940, 5200, 5213, 6175, 6416, 7600, 7619, 8020, 9880, 10025, 10426, 12350, 15238, 16040, 19760, 20050, 20852, 24700, 26065, 30476, 32080, 38095, 40100, 41704, 49400, 52130, 60952, 76190, 80200, 83408, 98800, 99047, 104260, 121904, 130325, 152380, 160400, 190475, 198094, 208520, 260650, 304760, 380950, 396188, 417040, 495235, 521300, 609520, 761900, 792376, 990470, 1042600, 1523800, 1584752, 1980940, 2085200, 2476175, 3047600, 3961880, 4952350, 7923760, 9904700, 19809400, 39618800]

約数ペア:

[(1, 39618800), (2, 19809400), (4, 9904700), (5, 7923760), (8, 4952350), (10, 3961880), (13, 3047600), (16, 2476175), (19, 2085200), (20, 1980940), (25, 1584752), (26, 1523800), (38, 1042600), (40, 990470), (50, 792376), (52, 761900), (65, 609520), (76, 521300), (80, 495235), (95, 417040), (100, 396188), (104, 380950), (130, 304760), (152, 260650), (190, 208520), (200, 198094), (208, 190475), (247, 160400), (260, 152380), (304, 130325), (325, 121904), (380, 104260), (400, 99047), (401, 98800), (475, 83408), (494, 80200), (520, 76190), (650, 60952), (760, 52130), (802, 49400), (950, 41704), (988, 40100), (1040, 38095), (1235, 32080), (1300, 30476), (1520, 26065), (1604, 24700), (1900, 20852), (1976, 20050), (2005, 19760), (2470, 16040), (2600, 15238), (3208, 12350), (3800, 10426), (3952, 10025), (4010, 9880), (4940, 8020), (5200, 7619), (5213, 7600), (6175, 6416)]