78824720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75793}}^1$

素因数の和:75819

約数の個数: 40

約数和(自身を含む): 197367576

約数和(自身を除く): 118542856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 75793, 151586, 303172, 378965, 606344, 757930, 985309, 1212688, 1515860, 1970618, 3031720, 3941236, 4926545, 6063440, 7882472, 9853090, 15764944, 19706180, 39412360, 78824720]

約数ペア:

[(1, 78824720), (2, 39412360), (4, 19706180), (5, 15764944), (8, 9853090), (10, 7882472), (13, 6063440), (16, 4926545), (20, 3941236), (26, 3031720), (40, 1970618), (52, 1515860), (65, 1212688), (80, 985309), (104, 757930), (130, 606344), (208, 378965), (260, 303172), (520, 151586), (1040, 75793)]