630546800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{121259}}^1$

素因数の和:121290

約数の個数: 60

約数和(自身を含む): 1631432040

約数和(自身を除く): 1000885240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 121259, 242518, 485036, 606295, 970072, 1212590, 1576367, 1940144, 2425180, 3031475, 3152734, 4850360, 6062950, 6305468, 7881835, 9700720, 12125900, 12610936, 15763670, 24251800, 25221872, 31527340, 39409175, 48503600, 63054680, 78818350, 126109360, 157636700, 315273400, 630546800]

約数ペア:

[(1, 630546800), (2, 315273400), (4, 157636700), (5, 126109360), (8, 78818350), (10, 63054680), (13, 48503600), (16, 39409175), (20, 31527340), (25, 25221872), (26, 24251800), (40, 15763670), (50, 12610936), (52, 12125900), (65, 9700720), (80, 7881835), (100, 6305468), (104, 6062950), (130, 4850360), (200, 3152734), (208, 3031475), (260, 2425180), (325, 1940144), (400, 1576367), (520, 1212590), (650, 970072), (1040, 606295), (1300, 485036), (2600, 242518), (5200, 121259)]