2795000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:82

約数の個数: 80

約数和(自身を含む): 7216440

約数和(自身を除く): 4421440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 43, 50, 52, 65, 86, 100, 104, 125, 130, 172, 200, 215, 250, 260, 325, 344, 430, 500, 520, 559, 625, 650, 860, 1000, 1075, 1118, 1250, 1300, 1625, 1720, 2150, 2236, 2500, 2600, 2795, 3250, 4300, 4472, 5000, 5375, 5590, 6500, 8125, 8600, 10750, 11180, 13000, 13975, 16250, 21500, 22360, 26875, 27950, 32500, 43000, 53750, 55900, 65000, 69875, 107500, 111800, 139750, 215000, 279500, 349375, 559000, 698750, 1397500, 2795000]

約数ペア:

[(1, 2795000), (2, 1397500), (4, 698750), (5, 559000), (8, 349375), (10, 279500), (13, 215000), (20, 139750), (25, 111800), (26, 107500), (40, 69875), (43, 65000), (50, 55900), (52, 53750), (65, 43000), (86, 32500), (100, 27950), (104, 26875), (125, 22360), (130, 21500), (172, 16250), (200, 13975), (215, 13000), (250, 11180), (260, 10750), (325, 8600), (344, 8125), (430, 6500), (500, 5590), (520, 5375), (559, 5000), (625, 4472), (650, 4300), (860, 3250), (1000, 2795), (1075, 2600), (1118, 2500), (1250, 2236), (1300, 2150), (1625, 1720)]