25129910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 52581312

約数和(自身を除く): 27451402

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 83, 85, 130, 137, 166, 170, 221, 274, 415, 442, 685, 830, 1079, 1105, 1370, 1411, 1781, 2158, 2210, 2329, 2822, 3562, 4658, 5395, 7055, 8905, 10790, 11371, 11645, 14110, 17810, 18343, 22742, 23290, 30277, 36686, 56855, 60554, 91715, 113710, 147823, 151385, 183430, 193307, 295646, 302770, 386614, 739115, 966535, 1478230, 1933070, 2512991, 5025982, 12564955, 25129910]

約数ペア:

[(1, 25129910), (2, 12564955), (5, 5025982), (10, 2512991), (13, 1933070), (17, 1478230), (26, 966535), (34, 739115), (65, 386614), (83, 302770), (85, 295646), (130, 193307), (137, 183430), (166, 151385), (170, 147823), (221, 113710), (274, 91715), (415, 60554), (442, 56855), (685, 36686), (830, 30277), (1079, 23290), (1105, 22742), (1370, 18343), (1411, 17810), (1781, 14110), (2158, 11645), (2210, 11371), (2329, 10790), (2822, 8905), (3562, 7055), (4658, 5395)]