15938960

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6427}}^1$

素因数の和:6471

約数の個数: 40

約数和(自身を含む): 38259456

約数和(自身を除く): 22320496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 6427, 12854, 25708, 32135, 51416, 64270, 102832, 128540, 199237, 257080, 398474, 514160, 796948, 996185, 1593896, 1992370, 3187792, 3984740, 7969480, 15938960]

約数ペア:

[(1, 15938960), (2, 7969480), (4, 3984740), (5, 3187792), (8, 1992370), (10, 1593896), (16, 996185), (20, 796948), (31, 514160), (40, 398474), (62, 257080), (80, 199237), (124, 128540), (155, 102832), (248, 64270), (310, 51416), (496, 32135), (620, 25708), (1240, 12854), (2480, 6427)]