9638980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 22042944

約数和(自身を除く): 12403964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 283, 524, 566, 655, 1132, 1310, 1415, 1703, 2620, 2830, 3406, 3679, 5660, 6812, 7358, 8515, 14716, 17030, 18395, 34060, 36790, 37073, 73580, 74146, 148292, 185365, 370730, 481949, 741460, 963898, 1927796, 2409745, 4819490, 9638980]

約数ペア:

[(1, 9638980), (2, 4819490), (4, 2409745), (5, 1927796), (10, 963898), (13, 741460), (20, 481949), (26, 370730), (52, 185365), (65, 148292), (130, 74146), (131, 73580), (260, 37073), (262, 36790), (283, 34060), (524, 18395), (566, 17030), (655, 14716), (1132, 8515), (1310, 7358), (1415, 6812), (1703, 5660), (2620, 3679), (2830, 3406)]