66278420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19609}}^1$

素因数の和:19644

約数の個数: 36

約数和(自身を含む): 150722460

約数和(自身を除く): 84444040

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 19609, 39218, 78436, 98045, 196090, 254917, 392180, 509834, 1019668, 1274585, 2549170, 3313921, 5098340, 6627842, 13255684, 16569605, 33139210, 66278420]

約数ペア:

[(1, 66278420), (2, 33139210), (4, 16569605), (5, 13255684), (10, 6627842), (13, 5098340), (20, 3313921), (26, 2549170), (52, 1274585), (65, 1019668), (130, 509834), (169, 392180), (260, 254917), (338, 196090), (676, 98045), (845, 78436), (1690, 39218), (3380, 19609)]