40215680

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2027}}^1$

素因数の和:2077

約数の個数: 64

約数和(自身を含む): 99290880

約数和(自身を除く): 59075200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2027, 2480, 3968, 4054, 4960, 8108, 9920, 10135, 16216, 19840, 20270, 32432, 40540, 62837, 64864, 81080, 125674, 129728, 162160, 251348, 259456, 314185, 324320, 502696, 628370, 648640, 1005392, 1256740, 1297280, 2010784, 2513480, 4021568, 5026960, 8043136, 10053920, 20107840, 40215680]

約数ペア:

[(1, 40215680), (2, 20107840), (4, 10053920), (5, 8043136), (8, 5026960), (10, 4021568), (16, 2513480), (20, 2010784), (31, 1297280), (32, 1256740), (40, 1005392), (62, 648640), (64, 628370), (80, 502696), (124, 324320), (128, 314185), (155, 259456), (160, 251348), (248, 162160), (310, 129728), (320, 125674), (496, 81080), (620, 64864), (640, 62837), (992, 40540), (1240, 32432), (1984, 20270), (2027, 19840), (2480, 16216), (3968, 10135), (4054, 9920), (4960, 8108)]