31877920

素因数分解:

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

素因数の和:6473

約数の個数: 48

約数和(自身を含む): 77753088

約数和(自身を除く): 45875168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 6427, 12854, 25708, 32135, 51416, 64270, 102832, 128540, 199237, 205664, 257080, 398474, 514160, 796948, 996185, 1028320, 1593896, 1992370, 3187792, 3984740, 6375584, 7969480, 15938960, 31877920]

約数ペア:

[(1, 31877920), (2, 15938960), (4, 7969480), (5, 6375584), (8, 3984740), (10, 3187792), (16, 1992370), (20, 1593896), (31, 1028320), (32, 996185), (40, 796948), (62, 514160), (80, 398474), (124, 257080), (155, 205664), (160, 199237), (248, 128540), (310, 102832), (496, 64270), (620, 51416), (992, 32135), (1240, 25708), (2480, 12854), (4960, 6427)]