31880618860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{189743}}^1$

素因数の和:190054

約数の個数: 48

約数和(自身を含む): 69364334592

約数和(自身を除く): 37483715732

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 271, 310, 542, 620, 1084, 1355, 2710, 5420, 8401, 16802, 33604, 42005, 84010, 168020, 189743, 379486, 758972, 948715, 1897430, 3794860, 5882033, 11764066, 23528132, 29410165, 51420353, 58820330, 102840706, 117640660, 205681412, 257101765, 514203530, 1028407060, 1594030943, 3188061886, 6376123772, 7970154715, 15940309430, 31880618860]

約数ペア:

[(1, 31880618860), (2, 15940309430), (4, 7970154715), (5, 6376123772), (10, 3188061886), (20, 1594030943), (31, 1028407060), (62, 514203530), (124, 257101765), (155, 205681412), (271, 117640660), (310, 102840706), (542, 58820330), (620, 51420353), (1084, 29410165), (1355, 23528132), (2710, 11764066), (5420, 5882033), (8401, 3794860), (16802, 1897430), (33604, 948715), (42005, 758972), (84010, 379486), (168020, 189743)]