47649940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1399}}^1$

素因数の和:1552

約数の個数: 48

約数和(自身を含む): 108662400

約数和(自身を除く): 61012460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 1310, 1399, 1703, 2620, 2798, 3406, 5596, 6812, 6995, 8515, 13990, 17030, 18187, 27980, 34060, 36374, 72748, 90935, 181870, 183269, 363740, 366538, 733076, 916345, 1832690, 2382497, 3665380, 4764994, 9529988, 11912485, 23824970, 47649940]

約数ペア:

[(1, 47649940), (2, 23824970), (4, 11912485), (5, 9529988), (10, 4764994), (13, 3665380), (20, 2382497), (26, 1832690), (52, 916345), (65, 733076), (130, 366538), (131, 363740), (260, 183269), (262, 181870), (524, 90935), (655, 72748), (1310, 36374), (1399, 34060), (1703, 27980), (2620, 18187), (2798, 17030), (3406, 13990), (5596, 8515), (6812, 6995)]