11289980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 25782624

約数和(自身を除く): 14492644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 251, 260, 346, 502, 692, 865, 1004, 1255, 1730, 2249, 2510, 3263, 3460, 4498, 5020, 6526, 8996, 11245, 13052, 16315, 22490, 32630, 43423, 44980, 65260, 86846, 173692, 217115, 434230, 564499, 868460, 1128998, 2257996, 2822495, 5644990, 11289980]

約数ペア:

[(1, 11289980), (2, 5644990), (4, 2822495), (5, 2257996), (10, 1128998), (13, 868460), (20, 564499), (26, 434230), (52, 217115), (65, 173692), (130, 86846), (173, 65260), (251, 44980), (260, 43423), (346, 32630), (502, 22490), (692, 16315), (865, 13052), (1004, 11245), (1255, 8996), (1730, 6526), (2249, 5020), (2510, 4498), (3263, 3460)]