2007936080

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{281}}^1\times {\mathrm{499}}^1$

素因数の和:972

約数の個数: 80

約数和(自身を含む): 4720680000

約数和(自身を除く): 2712743920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 281, 358, 499, 562, 716, 895, 998, 1124, 1405, 1432, 1790, 1996, 2248, 2495, 2810, 2864, 3580, 3992, 4496, 4990, 5620, 7160, 7984, 9980, 11240, 14320, 19960, 22480, 39920, 50299, 89321, 100598, 140219, 178642, 201196, 251495, 280438, 357284, 402392, 446605, 502990, 560876, 701095, 714568, 804784, 893210, 1005980, 1121752, 1402190, 1429136, 1786420, 2011960, 2243504, 2804380, 3572840, 4023920, 5608760, 7145680, 11217520, 25099201, 50198402, 100396804, 125496005, 200793608, 250992010, 401587216, 501984020, 1003968040, 2007936080]

約数ペア:

[(1, 2007936080), (2, 1003968040), (4, 501984020), (5, 401587216), (8, 250992010), (10, 200793608), (16, 125496005), (20, 100396804), (40, 50198402), (80, 25099201), (179, 11217520), (281, 7145680), (358, 5608760), (499, 4023920), (562, 3572840), (716, 2804380), (895, 2243504), (998, 2011960), (1124, 1786420), (1405, 1429136), (1432, 1402190), (1790, 1121752), (1996, 1005980), (2248, 893210), (2495, 804784), (2810, 714568), (2864, 701095), (3580, 560876), (3992, 502990), (4496, 446605), (4990, 402392), (5620, 357284), (7160, 280438), (7984, 251495), (9980, 201196), (11240, 178642), (14320, 140219), (19960, 100598), (22480, 89321), (39920, 50299)]