16718000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:679

約数の個数: 80

約数和(自身を含む): 43601376

約数和(自身を除く): 26883376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 400, 500, 520, 643, 650, 1000, 1040, 1286, 1300, 1625, 2000, 2572, 2600, 3215, 3250, 5144, 5200, 6430, 6500, 8359, 10288, 12860, 13000, 16075, 16718, 25720, 26000, 32150, 33436, 41795, 51440, 64300, 66872, 80375, 83590, 128600, 133744, 160750, 167180, 208975, 257200, 321500, 334360, 417950, 643000, 668720, 835900, 1044875, 1286000, 1671800, 2089750, 3343600, 4179500, 8359000, 16718000]

約数ペア:

[(1, 16718000), (2, 8359000), (4, 4179500), (5, 3343600), (8, 2089750), (10, 1671800), (13, 1286000), (16, 1044875), (20, 835900), (25, 668720), (26, 643000), (40, 417950), (50, 334360), (52, 321500), (65, 257200), (80, 208975), (100, 167180), (104, 160750), (125, 133744), (130, 128600), (200, 83590), (208, 80375), (250, 66872), (260, 64300), (325, 51440), (400, 41795), (500, 33436), (520, 32150), (643, 26000), (650, 25720), (1000, 16718), (1040, 16075), (1286, 13000), (1300, 12860), (1625, 10288), (2000, 8359), (2572, 6500), (2600, 6430), (3215, 5200), (3250, 5144)]