225706520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{1031}}^1$

素因数の和:1476

約数の個数: 64

約数和(自身を含む): 548735040

約数和(自身を除く): 323028520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 421, 520, 842, 1031, 1684, 2062, 2105, 3368, 4124, 4210, 5155, 5473, 8248, 8420, 10310, 10946, 13403, 16840, 20620, 21892, 26806, 27365, 41240, 43784, 53612, 54730, 67015, 107224, 109460, 134030, 218920, 268060, 434051, 536120, 868102, 1736204, 2170255, 3472408, 4340510, 5642663, 8681020, 11285326, 17362040, 22570652, 28213315, 45141304, 56426630, 112853260, 225706520]

約数ペア:

[(1, 225706520), (2, 112853260), (4, 56426630), (5, 45141304), (8, 28213315), (10, 22570652), (13, 17362040), (20, 11285326), (26, 8681020), (40, 5642663), (52, 4340510), (65, 3472408), (104, 2170255), (130, 1736204), (260, 868102), (421, 536120), (520, 434051), (842, 268060), (1031, 218920), (1684, 134030), (2062, 109460), (2105, 107224), (3368, 67015), (4124, 54730), (4210, 53612), (5155, 43784), (5473, 41240), (8248, 27365), (8420, 26806), (10310, 21892), (10946, 20620), (13403, 16840)]