64427140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{617}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 142031232

約数和(自身を除く): 77604092

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 227, 230, 454, 460, 617, 908, 1135, 1234, 2270, 2468, 3085, 4540, 5221, 6170, 10442, 12340, 14191, 20884, 26105, 28382, 52210, 56764, 70955, 104420, 140059, 141910, 280118, 283820, 560236, 700295, 1400590, 2801180, 3221357, 6442714, 12885428, 16106785, 32213570, 64427140]

約数ペア:

[(1, 64427140), (2, 32213570), (4, 16106785), (5, 12885428), (10, 6442714), (20, 3221357), (23, 2801180), (46, 1400590), (92, 700295), (115, 560236), (227, 283820), (230, 280118), (454, 141910), (460, 140059), (617, 104420), (908, 70955), (1135, 56764), (1234, 52210), (2270, 28382), (2468, 26105), (3085, 20884), (4540, 14191), (5221, 12340), (6170, 10442)]