201001280

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{7951}}^1$

素因数の和:8047

約数の個数: 56

約数和(自身を含む): 484753920

約数和(自身を除く): 283752640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1264, 1580, 2528, 3160, 5056, 6320, 7951, 12640, 15902, 25280, 31804, 39755, 63608, 79510, 127216, 159020, 254432, 318040, 508864, 628129, 636080, 1256258, 1272160, 2512516, 2544320, 3140645, 5025032, 6281290, 10050064, 12562580, 20100128, 25125160, 40200256, 50250320, 100500640, 201001280]

約数ペア:

[(1, 201001280), (2, 100500640), (4, 50250320), (5, 40200256), (8, 25125160), (10, 20100128), (16, 12562580), (20, 10050064), (32, 6281290), (40, 5025032), (64, 3140645), (79, 2544320), (80, 2512516), (158, 1272160), (160, 1256258), (316, 636080), (320, 628129), (395, 508864), (632, 318040), (790, 254432), (1264, 159020), (1580, 127216), (2528, 79510), (3160, 63608), (5056, 39755), (6320, 31804), (7951, 25280), (12640, 15902)]