42004040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80777}}^1$

素因数の和:80801

約数の個数: 32

約数和(自身を含む): 101780280

約数和(自身を除く): 59776240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 80777, 161554, 323108, 403885, 646216, 807770, 1050101, 1615540, 2100202, 3231080, 4200404, 5250505, 8400808, 10501010, 21002020, 42004040]

約数ペア:

[(1, 42004040), (2, 21002020), (4, 10501010), (5, 8400808), (8, 5250505), (10, 4200404), (13, 3231080), (20, 2100202), (26, 1615540), (40, 1050101), (52, 807770), (65, 646216), (104, 403885), (130, 323108), (260, 161554), (520, 80777)]