40397428

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{271}}^1\times {\mathrm{449}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 71971200

約数和(自身を除く): 31573772

約数列:

[1, 2, 4, 83, 166, 271, 332, 449, 542, 898, 1084, 1796, 22493, 37267, 44986, 74534, 89972, 121679, 149068, 243358, 486716, 10099357, 20198714, 40397428]

約数ペア:

[(1, 40397428), (2, 20198714), (4, 10099357), (83, 486716), (166, 243358), (271, 149068), (332, 121679), (449, 89972), (542, 74534), (898, 44986), (1084, 37267), (1796, 22493)]