1671800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 4192440

約数和(自身を除く): 2520640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 643, 650, 1286, 1300, 2572, 2600, 3215, 5144, 6430, 8359, 12860, 16075, 16718, 25720, 32150, 33436, 41795, 64300, 66872, 83590, 128600, 167180, 208975, 334360, 417950, 835900, 1671800]

約数ペア:

[(1, 1671800), (2, 835900), (4, 417950), (5, 334360), (8, 208975), (10, 167180), (13, 128600), (20, 83590), (25, 66872), (26, 64300), (40, 41795), (50, 33436), (52, 32150), (65, 25720), (100, 16718), (104, 16075), (130, 12860), (200, 8359), (260, 6430), (325, 5144), (520, 3215), (643, 2600), (650, 2572), (1286, 1300)]