25435280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:724

約数の個数: 80

約数和(自身を含む): 65506224

約数和(自身を除く): 40070944

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 37, 40, 52, 65, 74, 80, 104, 130, 148, 185, 208, 260, 296, 370, 481, 520, 592, 661, 740, 962, 1040, 1322, 1480, 1924, 2405, 2644, 2960, 3305, 3848, 4810, 5288, 6610, 7696, 8593, 9620, 10576, 13220, 17186, 19240, 24457, 26440, 34372, 38480, 42965, 48914, 52880, 68744, 85930, 97828, 122285, 137488, 171860, 195656, 244570, 317941, 343720, 391312, 489140, 635882, 687440, 978280, 1271764, 1589705, 1956560, 2543528, 3179410, 5087056, 6358820, 12717640, 25435280]

約数ペア:

[(1, 25435280), (2, 12717640), (4, 6358820), (5, 5087056), (8, 3179410), (10, 2543528), (13, 1956560), (16, 1589705), (20, 1271764), (26, 978280), (37, 687440), (40, 635882), (52, 489140), (65, 391312), (74, 343720), (80, 317941), (104, 244570), (130, 195656), (148, 171860), (185, 137488), (208, 122285), (260, 97828), (296, 85930), (370, 68744), (481, 52880), (520, 48914), (592, 42965), (661, 38480), (740, 34372), (962, 26440), (1040, 24457), (1322, 19240), (1480, 17186), (1924, 13220), (2405, 10576), (2644, 9620), (2960, 8593), (3305, 7696), (3848, 6610), (4810, 5288)]