12541540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{523}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 29050560

約数和(自身を除く): 16509020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 523, 545, 1046, 1090, 1199, 2092, 2180, 2398, 2615, 4796, 5230, 5753, 5995, 10460, 11506, 11990, 23012, 23980, 28765, 57007, 57530, 114014, 115060, 228028, 285035, 570070, 627077, 1140140, 1254154, 2508308, 3135385, 6270770, 12541540]

約数ペア:

[(1, 12541540), (2, 6270770), (4, 3135385), (5, 2508308), (10, 1254154), (11, 1140140), (20, 627077), (22, 570070), (44, 285035), (55, 228028), (109, 115060), (110, 114014), (218, 57530), (220, 57007), (436, 28765), (523, 23980), (545, 23012), (1046, 11990), (1090, 11506), (1199, 10460), (2092, 5995), (2180, 5753), (2398, 5230), (2615, 4796)]