31676080

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6491}}^1$

素因数の和:6565

約数の個数: 40

約数和(自身を含む): 74865744

約数和(自身を除く): 43189664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 6491, 12982, 25964, 32455, 51928, 64910, 103856, 129820, 259640, 395951, 519280, 791902, 1583804, 1979755, 3167608, 3959510, 6335216, 7919020, 15838040, 31676080]

約数ペア:

[(1, 31676080), (2, 15838040), (4, 7919020), (5, 6335216), (8, 3959510), (10, 3167608), (16, 1979755), (20, 1583804), (40, 791902), (61, 519280), (80, 395951), (122, 259640), (244, 129820), (305, 103856), (488, 64910), (610, 51928), (976, 32455), (1220, 25964), (2440, 12982), (4880, 6491)]