12741560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 31298400

約数和(自身を除く): 18556840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 130, 214, 229, 260, 428, 458, 520, 535, 856, 916, 1070, 1145, 1391, 1832, 2140, 2290, 2782, 2977, 4280, 4580, 5564, 5954, 6955, 9160, 11128, 11908, 13910, 14885, 23816, 24503, 27820, 29770, 49006, 55640, 59540, 98012, 119080, 122515, 196024, 245030, 318539, 490060, 637078, 980120, 1274156, 1592695, 2548312, 3185390, 6370780, 12741560]

約数ペア:

[(1, 12741560), (2, 6370780), (4, 3185390), (5, 2548312), (8, 1592695), (10, 1274156), (13, 980120), (20, 637078), (26, 490060), (40, 318539), (52, 245030), (65, 196024), (104, 122515), (107, 119080), (130, 98012), (214, 59540), (229, 55640), (260, 49006), (428, 29770), (458, 27820), (520, 24503), (535, 23816), (856, 14885), (916, 13910), (1070, 11908), (1145, 11128), (1391, 9160), (1832, 6955), (2140, 5954), (2290, 5564), (2782, 4580), (2977, 4280)]