101995760

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{17957}}^1$

素因数の和:18041

約数の個数: 40

約数和(自身を含む): 240493536

約数和(自身を除く): 138497776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 17957, 35914, 71828, 89785, 143656, 179570, 287312, 359140, 718280, 1274947, 1436560, 2549894, 5099788, 6374735, 10199576, 12749470, 20399152, 25498940, 50997880, 101995760]

約数ペア:

[(1, 101995760), (2, 50997880), (4, 25498940), (5, 20399152), (8, 12749470), (10, 10199576), (16, 6374735), (20, 5099788), (40, 2549894), (71, 1436560), (80, 1274947), (142, 718280), (284, 359140), (355, 287312), (568, 179570), (710, 143656), (1136, 89785), (1420, 71828), (2840, 35914), (5680, 17957)]