12849980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4493}}^1$

素因数の和:4526

約数の個数: 48

約数和(自身を含む): 31709664

約数和(自身を除く): 18859684

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 4493, 8986, 17972, 22465, 44930, 49423, 58409, 89860, 98846, 116818, 197692, 233636, 247115, 292045, 494230, 584090, 642499, 988460, 1168180, 1284998, 2569996, 3212495, 6424990, 12849980]

約数ペア:

[(1, 12849980), (2, 6424990), (4, 3212495), (5, 2569996), (10, 1284998), (11, 1168180), (13, 988460), (20, 642499), (22, 584090), (26, 494230), (44, 292045), (52, 247115), (55, 233636), (65, 197692), (110, 116818), (130, 98846), (143, 89860), (220, 58409), (260, 49423), (286, 44930), (572, 22465), (715, 17972), (1430, 8986), (2860, 4493)]