8118280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6547}}^1$

素因数の和:6589

約数の個数: 32

約数和(自身を含む): 18858240

約数和(自身を除く): 10739960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 6547, 13094, 26188, 32735, 52376, 65470, 130940, 202957, 261880, 405914, 811828, 1014785, 1623656, 2029570, 4059140, 8118280]

約数ペア:

[(1, 8118280), (2, 4059140), (4, 2029570), (5, 1623656), (8, 1014785), (10, 811828), (20, 405914), (31, 261880), (40, 202957), (62, 130940), (124, 65470), (155, 52376), (248, 32735), (310, 26188), (620, 13094), (1240, 6547)]