80839460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23917}}^1$

素因数の和:23952

約数の個数: 36

約数和(自身を含む): 183833748

約数和(自身を除く): 102994288

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 23917, 47834, 95668, 119585, 239170, 310921, 478340, 621842, 1243684, 1554605, 3109210, 4041973, 6218420, 8083946, 16167892, 20209865, 40419730, 80839460]

約数ペア:

[(1, 80839460), (2, 40419730), (4, 20209865), (5, 16167892), (10, 8083946), (13, 6218420), (20, 4041973), (26, 3109210), (52, 1554605), (65, 1243684), (130, 621842), (169, 478340), (260, 310921), (338, 239170), (676, 119585), (845, 95668), (1690, 47834), (3380, 23917)]