40289600

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^2\times {\mathrm{149}}^1$

素因数の和:197

約数の個数: 126

約数和(自身を含む): 108070650

約数和(自身を除く): 67781050

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 149, 160, 169, 200, 208, 260, 298, 320, 325, 338, 400, 416, 520, 596, 650, 676, 745, 800, 832, 845, 1040, 1192, 1300, 1352, 1490, 1600, 1690, 1937, 2080, 2384, 2600, 2704, 2980, 3380, 3725, 3874, 4160, 4225, 4768, 5200, 5408, 5960, 6760, 7450, 7748, 8450, 9536, 9685, 10400, 10816, 11920, 13520, 14900, 15496, 16900, 19370, 20800, 23840, 25181, 27040, 29800, 30992, 33800, 38740, 47680, 48425, 50362, 54080, 59600, 61984, 67600, 77480, 96850, 100724, 119200, 123968, 125905, 135200, 154960, 193700, 201448, 238400, 251810, 270400, 309920, 387400, 402896, 503620, 619840, 629525, 774800, 805792, 1007240, 1259050, 1549600, 1611584, 2014480, 2518100, 3099200, 4028960, 5036200, 8057920, 10072400, 20144800, 40289600]

約数ペア:

[(1, 40289600), (2, 20144800), (4, 10072400), (5, 8057920), (8, 5036200), (10, 4028960), (13, 3099200), (16, 2518100), (20, 2014480), (25, 1611584), (26, 1549600), (32, 1259050), (40, 1007240), (50, 805792), (52, 774800), (64, 629525), (65, 619840), (80, 503620), (100, 402896), (104, 387400), (130, 309920), (149, 270400), (160, 251810), (169, 238400), (200, 201448), (208, 193700), (260, 154960), (298, 135200), (320, 125905), (325, 123968), (338, 119200), (400, 100724), (416, 96850), (520, 77480), (596, 67600), (650, 61984), (676, 59600), (745, 54080), (800, 50362), (832, 48425), (845, 47680), (1040, 38740), (1192, 33800), (1300, 30992), (1352, 29800), (1490, 27040), (1600, 25181), (1690, 23840), (1937, 20800), (2080, 19370), (2384, 16900), (2600, 15496), (2704, 14900), (2980, 13520), (3380, 11920), (3725, 10816), (3874, 10400), (4160, 9685), (4225, 9536), (4768, 8450), (5200, 7748), (5408, 7450), (5960, 6760)]