25550720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:152

約数の個数: 128

約数和(自身を含む): 68372640

約数和(自身を除く): 42821920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 83, 104, 128, 130, 148, 160, 166, 185, 208, 260, 296, 320, 332, 370, 415, 416, 481, 520, 592, 640, 664, 740, 830, 832, 962, 1040, 1079, 1184, 1328, 1480, 1660, 1664, 1924, 2080, 2158, 2368, 2405, 2656, 2960, 3071, 3320, 3848, 4160, 4316, 4736, 4810, 5312, 5395, 5920, 6142, 6640, 7696, 8320, 8632, 9620, 10624, 10790, 11840, 12284, 13280, 15355, 15392, 17264, 19240, 21580, 23680, 24568, 26560, 30710, 30784, 34528, 38480, 39923, 43160, 49136, 53120, 61420, 61568, 69056, 76960, 79846, 86320, 98272, 122840, 138112, 153920, 159692, 172640, 196544, 199615, 245680, 307840, 319384, 345280, 393088, 399230, 491360, 638768, 690560, 798460, 982720, 1277536, 1596920, 1965440, 2555072, 3193840, 5110144, 6387680, 12775360, 25550720]

約数ペア:

[(1, 25550720), (2, 12775360), (4, 6387680), (5, 5110144), (8, 3193840), (10, 2555072), (13, 1965440), (16, 1596920), (20, 1277536), (26, 982720), (32, 798460), (37, 690560), (40, 638768), (52, 491360), (64, 399230), (65, 393088), (74, 345280), (80, 319384), (83, 307840), (104, 245680), (128, 199615), (130, 196544), (148, 172640), (160, 159692), (166, 153920), (185, 138112), (208, 122840), (260, 98272), (296, 86320), (320, 79846), (332, 76960), (370, 69056), (415, 61568), (416, 61420), (481, 53120), (520, 49136), (592, 43160), (640, 39923), (664, 38480), (740, 34528), (830, 30784), (832, 30710), (962, 26560), (1040, 24568), (1079, 23680), (1184, 21580), (1328, 19240), (1480, 17264), (1660, 15392), (1664, 15355), (1924, 13280), (2080, 12284), (2158, 11840), (2368, 10790), (2405, 10624), (2656, 9620), (2960, 8632), (3071, 8320), (3320, 7696), (3848, 6640), (4160, 6142), (4316, 5920), (4736, 5395), (4810, 5312)]