12266020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 29514240

約数和(自身を除く): 17248220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 169, 190, 191, 247, 260, 338, 380, 382, 494, 676, 764, 845, 955, 988, 1235, 1690, 1910, 2470, 2483, 3211, 3380, 3629, 3820, 4940, 4966, 6422, 7258, 9932, 12415, 12844, 14516, 16055, 18145, 24830, 32110, 32279, 36290, 47177, 49660, 64220, 64558, 72580, 94354, 129116, 161395, 188708, 235885, 322790, 471770, 613301, 645580, 943540, 1226602, 2453204, 3066505, 6133010, 12266020]

約数ペア:

[(1, 12266020), (2, 6133010), (4, 3066505), (5, 2453204), (10, 1226602), (13, 943540), (19, 645580), (20, 613301), (26, 471770), (38, 322790), (52, 235885), (65, 188708), (76, 161395), (95, 129116), (130, 94354), (169, 72580), (190, 64558), (191, 64220), (247, 49660), (260, 47177), (338, 36290), (380, 32279), (382, 32110), (494, 24830), (676, 18145), (764, 16055), (845, 14516), (955, 12844), (988, 12415), (1235, 9932), (1690, 7258), (1910, 6422), (2470, 4966), (2483, 4940), (3211, 3820), (3380, 3629)]