2152540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 5164992

約数和(自身を除く): 3012452

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 487, 884, 974, 1105, 1948, 2210, 2435, 4420, 4870, 6331, 8279, 9740, 12662, 16558, 25324, 31655, 33116, 41395, 63310, 82790, 107627, 126620, 165580, 215254, 430508, 538135, 1076270, 2152540]

約数ペア:

[(1, 2152540), (2, 1076270), (4, 538135), (5, 430508), (10, 215254), (13, 165580), (17, 126620), (20, 107627), (26, 82790), (34, 63310), (52, 41395), (65, 33116), (68, 31655), (85, 25324), (130, 16558), (170, 12662), (221, 9740), (260, 8279), (340, 6331), (442, 4870), (487, 4420), (884, 2435), (974, 2210), (1105, 1948)]