100142720

素因数分解:

$2^7\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4229}}^1$

素因数の和:4285

約数の個数: 64

約数和(自身を含む): 245932200

約数和(自身を除く): 145789480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 296, 320, 370, 592, 640, 740, 1184, 1480, 2368, 2960, 4229, 4736, 5920, 8458, 11840, 16916, 21145, 23680, 33832, 42290, 67664, 84580, 135328, 156473, 169160, 270656, 312946, 338320, 541312, 625892, 676640, 782365, 1251784, 1353280, 1564730, 2503568, 2706560, 3129460, 5007136, 6258920, 10014272, 12517840, 20028544, 25035680, 50071360, 100142720]

約数ペア:

[(1, 100142720), (2, 50071360), (4, 25035680), (5, 20028544), (8, 12517840), (10, 10014272), (16, 6258920), (20, 5007136), (32, 3129460), (37, 2706560), (40, 2503568), (64, 1564730), (74, 1353280), (80, 1251784), (128, 782365), (148, 676640), (160, 625892), (185, 541312), (296, 338320), (320, 312946), (370, 270656), (592, 169160), (640, 156473), (740, 135328), (1184, 84580), (1480, 67664), (2368, 42290), (2960, 33832), (4229, 23680), (4736, 21145), (5920, 16916), (8458, 11840)]