25012780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5659}}^1$

素因数の和:5698

約数の個数: 48

約数和(自身を含む): 59905440

約数和(自身を除く): 34892660

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 5659, 11318, 22636, 28295, 56590, 73567, 96203, 113180, 147134, 192406, 294268, 367835, 384812, 481015, 735670, 962030, 1250639, 1471340, 1924060, 2501278, 5002556, 6253195, 12506390, 25012780]

約数ペア:

[(1, 25012780), (2, 12506390), (4, 6253195), (5, 5002556), (10, 2501278), (13, 1924060), (17, 1471340), (20, 1250639), (26, 962030), (34, 735670), (52, 481015), (65, 384812), (68, 367835), (85, 294268), (130, 192406), (170, 147134), (221, 113180), (260, 96203), (340, 73567), (442, 56590), (884, 28295), (1105, 22636), (2210, 11318), (4420, 5659)]