31655650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1571}}^1$

素因数の和:1627

約数の個数: 48

約数和(自身を含む): 65495808

約数和(自身を除く): 33840158

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 1571, 2015, 3142, 4030, 7855, 10075, 15710, 20150, 20423, 39275, 40846, 48701, 78550, 97402, 102115, 204230, 243505, 487010, 510575, 633113, 1021150, 1217525, 1266226, 2435050, 3165565, 6331130, 15827825, 31655650]

約数ペア:

[(1, 31655650), (2, 15827825), (5, 6331130), (10, 3165565), (13, 2435050), (25, 1266226), (26, 1217525), (31, 1021150), (50, 633113), (62, 510575), (65, 487010), (130, 243505), (155, 204230), (310, 102115), (325, 97402), (403, 78550), (650, 48701), (775, 40846), (806, 39275), (1550, 20423), (1571, 20150), (2015, 15710), (3142, 10075), (4030, 7855)]