86172400

素因数分解:

$2^4\times 5^2\times {\mathrm{211}}^1\times {\mathrm{1021}}^1$

素因数の和:1250

約数の個数: 60

約数和(自身を含む): 208214104

約数和(自身を除く): 122041704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 211, 400, 422, 844, 1021, 1055, 1688, 2042, 2110, 3376, 4084, 4220, 5105, 5275, 8168, 8440, 10210, 10550, 16336, 16880, 20420, 21100, 25525, 40840, 42200, 51050, 81680, 84400, 102100, 204200, 215431, 408400, 430862, 861724, 1077155, 1723448, 2154310, 3446896, 4308620, 5385775, 8617240, 10771550, 17234480, 21543100, 43086200, 86172400]

約数ペア:

[(1, 86172400), (2, 43086200), (4, 21543100), (5, 17234480), (8, 10771550), (10, 8617240), (16, 5385775), (20, 4308620), (25, 3446896), (40, 2154310), (50, 1723448), (80, 1077155), (100, 861724), (200, 430862), (211, 408400), (400, 215431), (422, 204200), (844, 102100), (1021, 84400), (1055, 81680), (1688, 51050), (2042, 42200), (2110, 40840), (3376, 25525), (4084, 21100), (4220, 20420), (5105, 16880), (5275, 16336), (8168, 10550), (8440, 10210)]