4179500

素因数分解:

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

素因数の和:675

約数の個数: 48

約数和(自身を含む): 9845472

約数和(自身を除く): 5665972

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 643, 650, 1286, 1300, 1625, 2572, 3215, 3250, 6430, 6500, 8359, 12860, 16075, 16718, 32150, 33436, 41795, 64300, 80375, 83590, 160750, 167180, 208975, 321500, 417950, 835900, 1044875, 2089750, 4179500]

約数ペア:

[(1, 4179500), (2, 2089750), (4, 1044875), (5, 835900), (10, 417950), (13, 321500), (20, 208975), (25, 167180), (26, 160750), (50, 83590), (52, 80375), (65, 64300), (100, 41795), (125, 33436), (130, 32150), (250, 16718), (260, 16075), (325, 12860), (500, 8359), (643, 6500), (650, 6430), (1286, 3250), (1300, 3215), (1625, 2572)]