100858880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19699}}^1$

素因数の和:19724

約数の個数: 44

約数和(自身を含む): 241955400

約数和(自身を除く): 141096520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 19699, 39398, 78796, 98495, 157592, 196990, 315184, 393980, 630368, 787960, 1260736, 1575920, 2521472, 3151840, 5042944, 6303680, 10085888, 12607360, 20171776, 25214720, 50429440, 100858880]

約数ペア:

[(1, 100858880), (2, 50429440), (4, 25214720), (5, 20171776), (8, 12607360), (10, 10085888), (16, 6303680), (20, 5042944), (32, 3151840), (40, 2521472), (64, 1575920), (80, 1260736), (128, 787960), (160, 630368), (256, 393980), (320, 315184), (512, 196990), (640, 157592), (1024, 98495), (1280, 78796), (2560, 39398), (5120, 19699)]