55897400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21499}}^1$

素因数の和:21528

約数の個数: 48

約数和(自身を含む): 139965000

約数和(自身を除く): 84067600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 21499, 42998, 85996, 107495, 171992, 214990, 279487, 429980, 537475, 558974, 859960, 1074950, 1117948, 1397435, 2149900, 2235896, 2794870, 4299800, 5589740, 6987175, 11179480, 13974350, 27948700, 55897400]

約数ペア:

[(1, 55897400), (2, 27948700), (4, 13974350), (5, 11179480), (8, 6987175), (10, 5589740), (13, 4299800), (20, 2794870), (25, 2235896), (26, 2149900), (40, 1397435), (50, 1117948), (52, 1074950), (65, 859960), (100, 558974), (104, 537475), (130, 429980), (200, 279487), (260, 214990), (325, 171992), (520, 107495), (650, 85996), (1300, 42998), (2600, 21499)]