27972100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21517}}^1$

素因数の和:21544

約数の個数: 36

約数和(自身を含む): 65371684

約数和(自身を除く): 37399584

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 21517, 43034, 86068, 107585, 215170, 279721, 430340, 537925, 559442, 1075850, 1118884, 1398605, 2151700, 2797210, 5594420, 6993025, 13986050, 27972100]

約数ペア:

[(1, 27972100), (2, 13986050), (4, 6993025), (5, 5594420), (10, 2797210), (13, 2151700), (20, 1398605), (25, 1118884), (26, 1075850), (50, 559442), (52, 537925), (65, 430340), (100, 279721), (130, 215170), (260, 107585), (325, 86068), (650, 43034), (1300, 21517)]