131756320

素因数分解:

$2^5\times 5^1\times {\mathrm{167}}^1\times {\mathrm{4931}}^1$

素因数の和:5113

約数の個数: 48

約数和(自身を含む): 313201728

約数和(自身を除く): 181445408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 167, 334, 668, 835, 1336, 1670, 2672, 3340, 4931, 5344, 6680, 9862, 13360, 19724, 24655, 26720, 39448, 49310, 78896, 98620, 157792, 197240, 394480, 788960, 823477, 1646954, 3293908, 4117385, 6587816, 8234770, 13175632, 16469540, 26351264, 32939080, 65878160, 131756320]

約数ペア:

[(1, 131756320), (2, 65878160), (4, 32939080), (5, 26351264), (8, 16469540), (10, 13175632), (16, 8234770), (20, 6587816), (32, 4117385), (40, 3293908), (80, 1646954), (160, 823477), (167, 788960), (334, 394480), (668, 197240), (835, 157792), (1336, 98620), (1670, 78896), (2672, 49310), (3340, 39448), (4931, 26720), (5344, 24655), (6680, 19724), (9862, 13360)]