740428520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1423901}}^1$

素因数の和:1423925

約数の個数: 32

約数和(自身を含む): 1794116520

約数和(自身を除く): 1053688000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1423901, 2847802, 5695604, 7119505, 11391208, 14239010, 18510713, 28478020, 37021426, 56956040, 74042852, 92553565, 148085704, 185107130, 370214260, 740428520]

約数ペア:

[(1, 740428520), (2, 370214260), (4, 185107130), (5, 148085704), (8, 92553565), (10, 74042852), (13, 56956040), (20, 37021426), (26, 28478020), (40, 18510713), (52, 14239010), (65, 11391208), (104, 7119505), (130, 5695604), (260, 2847802), (520, 1423901)]