13239460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3917}}^1$

素因数の和:3952

約数の個数: 36

約数和(自身を含む): 30113748

約数和(自身を除く): 16874288

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 3917, 7834, 15668, 19585, 39170, 50921, 78340, 101842, 203684, 254605, 509210, 661973, 1018420, 1323946, 2647892, 3309865, 6619730, 13239460]

約数ペア:

[(1, 13239460), (2, 6619730), (4, 3309865), (5, 2647892), (10, 1323946), (13, 1018420), (20, 661973), (26, 509210), (52, 254605), (65, 203684), (130, 101842), (169, 78340), (260, 50921), (338, 39170), (676, 19585), (845, 15668), (1690, 7834), (3380, 3917)]