520026440

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{28201}}^1$

素因数の和:28673

約数の個数: 32

約数和(自身を含む): 1172639160

約数和(自身を除く): 652612720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3688, 4610, 9220, 18440, 28201, 56402, 112804, 141005, 225608, 282010, 564020, 1128040, 13000661, 26001322, 52002644, 65003305, 104005288, 130006610, 260013220, 520026440]

約数ペア:

[(1, 520026440), (2, 260013220), (4, 130006610), (5, 104005288), (8, 65003305), (10, 52002644), (20, 26001322), (40, 13000661), (461, 1128040), (922, 564020), (1844, 282010), (2305, 225608), (3688, 141005), (4610, 112804), (9220, 56402), (18440, 28201)]