61544920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{49633}}^1$

素因数の和:49675

約数の個数: 32

約数和(自身を含む): 142945920

約数和(自身を除く): 81401000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 49633, 99266, 198532, 248165, 397064, 496330, 992660, 1538623, 1985320, 3077246, 6154492, 7693115, 12308984, 15386230, 30772460, 61544920]

約数ペア:

[(1, 61544920), (2, 30772460), (4, 15386230), (5, 12308984), (8, 7693115), (10, 6154492), (20, 3077246), (31, 1985320), (40, 1538623), (62, 992660), (124, 496330), (155, 397064), (248, 248165), (310, 198532), (620, 99266), (1240, 49633)]