40007992

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{677}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 76885200

約数和(自身を除く): 36877208

約数列:

[1, 2, 4, 8, 83, 89, 166, 178, 332, 356, 664, 677, 712, 1354, 2708, 5416, 7387, 14774, 29548, 56191, 59096, 60253, 112382, 120506, 224764, 241012, 449528, 482024, 5000999, 10001998, 20003996, 40007992]

約数ペア:

[(1, 40007992), (2, 20003996), (4, 10001998), (8, 5000999), (83, 482024), (89, 449528), (166, 241012), (178, 224764), (332, 120506), (356, 112382), (664, 60253), (677, 59096), (712, 56191), (1354, 29548), (2708, 14774), (5416, 7387)]