25291240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2861}}^1$

素因数の和:2902

約数の個数: 64

約数和(自身を含む): 64910160

約数和(自身を除く): 39618920

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 2861, 4420, 5722, 8840, 11444, 14305, 22888, 28610, 37193, 48637, 57220, 74386, 97274, 114440, 148772, 185965, 194548, 243185, 297544, 371930, 389096, 486370, 632281, 743860, 972740, 1264562, 1487720, 1945480, 2529124, 3161405, 5058248, 6322810, 12645620, 25291240]

約数ペア:

[(1, 25291240), (2, 12645620), (4, 6322810), (5, 5058248), (8, 3161405), (10, 2529124), (13, 1945480), (17, 1487720), (20, 1264562), (26, 972740), (34, 743860), (40, 632281), (52, 486370), (65, 389096), (68, 371930), (85, 297544), (104, 243185), (130, 194548), (136, 185965), (170, 148772), (221, 114440), (260, 97274), (340, 74386), (442, 57220), (520, 48637), (680, 37193), (884, 28610), (1105, 22888), (1768, 14305), (2210, 11444), (2861, 8840), (4420, 5722)]