19930520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16073}}^1$

素因数の和:16115

約数の個数: 32

約数和(自身を含む): 46293120

約数和(自身を除く): 26362600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 16073, 32146, 64292, 80365, 128584, 160730, 321460, 498263, 642920, 996526, 1993052, 2491315, 3986104, 4982630, 9965260, 19930520]

約数ペア:

[(1, 19930520), (2, 9965260), (4, 4982630), (5, 3986104), (8, 2491315), (10, 1993052), (20, 996526), (31, 642920), (40, 498263), (62, 321460), (124, 160730), (155, 128584), (248, 80365), (310, 64292), (620, 32146), (1240, 16073)]