40945518

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:577

約数の個数: 48

約数和(自身を含む): 91400400

約数和(自身を除く): 50454882

約数列:

[1, 2, 3, 6, 9, 18, 61, 89, 122, 178, 183, 267, 366, 419, 534, 549, 801, 838, 1098, 1257, 1602, 2514, 3771, 5429, 7542, 10858, 16287, 25559, 32574, 37291, 48861, 51118, 74582, 76677, 97722, 111873, 153354, 223746, 230031, 335619, 460062, 671238, 2274751, 4549502, 6824253, 13648506, 20472759, 40945518]

約数ペア:

[(1, 40945518), (2, 20472759), (3, 13648506), (6, 6824253), (9, 4549502), (18, 2274751), (61, 671238), (89, 460062), (122, 335619), (178, 230031), (183, 223746), (267, 153354), (366, 111873), (419, 97722), (534, 76677), (549, 74582), (801, 51118), (838, 48861), (1098, 37291), (1257, 32574), (1602, 25559), (2514, 16287), (3771, 10858), (5429, 7542)]