9859980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12641}}^1$

素因数の和:12666

約数の個数: 48

約数和(自身を含む): 29733984

約数和(自身を除く): 19874004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 12641, 25282, 37923, 50564, 63205, 75846, 126410, 151692, 164333, 189615, 252820, 328666, 379230, 492999, 657332, 758460, 821665, 985998, 1643330, 1971996, 2464995, 3286660, 4929990, 9859980]

約数ペア:

[(1, 9859980), (2, 4929990), (3, 3286660), (4, 2464995), (5, 1971996), (6, 1643330), (10, 985998), (12, 821665), (13, 758460), (15, 657332), (20, 492999), (26, 379230), (30, 328666), (39, 252820), (52, 189615), (60, 164333), (65, 151692), (78, 126410), (130, 75846), (156, 63205), (195, 50564), (260, 37923), (390, 25282), (780, 12641)]