8359000

素因数分解:

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

素因数の和:677

約数の個数: 64

約数和(自身を含む): 21097440

約数和(自身を除く): 12738440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 643, 650, 1000, 1286, 1300, 1625, 2572, 2600, 3215, 3250, 5144, 6430, 6500, 8359, 12860, 13000, 16075, 16718, 25720, 32150, 33436, 41795, 64300, 66872, 80375, 83590, 128600, 160750, 167180, 208975, 321500, 334360, 417950, 643000, 835900, 1044875, 1671800, 2089750, 4179500, 8359000]

約数ペア:

[(1, 8359000), (2, 4179500), (4, 2089750), (5, 1671800), (8, 1044875), (10, 835900), (13, 643000), (20, 417950), (25, 334360), (26, 321500), (40, 208975), (50, 167180), (52, 160750), (65, 128600), (100, 83590), (104, 80375), (125, 66872), (130, 64300), (200, 41795), (250, 33436), (260, 32150), (325, 25720), (500, 16718), (520, 16075), (643, 13000), (650, 12860), (1000, 8359), (1286, 6500), (1300, 6430), (1625, 5144), (2572, 3250), (2600, 3215)]