2000512040

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{306827}}^1$

素因数の和:307001

約数の個数: 32

約数和(自身を含む): 4528781280

約数和(自身を除く): 2528269240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 306827, 613654, 1227308, 1534135, 2454616, 3068270, 6136540, 12273080, 50012801, 100025602, 200051204, 250064005, 400102408, 500128010, 1000256020, 2000512040]

約数ペア:

[(1, 2000512040), (2, 1000256020), (4, 500128010), (5, 400102408), (8, 250064005), (10, 200051204), (20, 100025602), (40, 50012801), (163, 12273080), (326, 6136540), (652, 3068270), (815, 2454616), (1304, 1534135), (1630, 1227308), (3260, 613654), (6520, 306827)]