40690172

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 77911680

約数和(自身を除く): 37221508

約数列:

[1, 2, 4, 19, 38, 61, 67, 76, 122, 131, 134, 244, 262, 268, 524, 1159, 1273, 2318, 2489, 2546, 4087, 4636, 4978, 5092, 7991, 8174, 8777, 9956, 15982, 16348, 17554, 31964, 35108, 77653, 151829, 155306, 166763, 303658, 310612, 333526, 535397, 607316, 667052, 1070794, 2141588, 10172543, 20345086, 40690172]

約数ペア:

[(1, 40690172), (2, 20345086), (4, 10172543), (19, 2141588), (38, 1070794), (61, 667052), (67, 607316), (76, 535397), (122, 333526), (131, 310612), (134, 303658), (244, 166763), (262, 155306), (268, 151829), (524, 77653), (1159, 35108), (1273, 31964), (2318, 17554), (2489, 16348), (2546, 15982), (4087, 9956), (4636, 8777), (4978, 8174), (5092, 7991)]