15408520

素因数分解:

$2^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{677}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 34781400

約数和(自身を除く): 19372880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 569, 677, 1138, 1354, 2276, 2708, 2845, 3385, 4552, 5416, 5690, 6770, 11380, 13540, 22760, 27080, 385213, 770426, 1540852, 1926065, 3081704, 3852130, 7704260, 15408520]

約数ペア:

[(1, 15408520), (2, 7704260), (4, 3852130), (5, 3081704), (8, 1926065), (10, 1540852), (20, 770426), (40, 385213), (569, 27080), (677, 22760), (1138, 13540), (1354, 11380), (2276, 6770), (2708, 5690), (2845, 5416), (3385, 4552)]