163738280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{132047}}^1$

素因数の和:132089

約数の個数: 32

約数和(自身を含む): 380298240

約数和(自身を除く): 216559960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 132047, 264094, 528188, 660235, 1056376, 1320470, 2640940, 4093457, 5281880, 8186914, 16373828, 20467285, 32747656, 40934570, 81869140, 163738280]

約数ペア:

[(1, 163738280), (2, 81869140), (4, 40934570), (5, 32747656), (8, 20467285), (10, 16373828), (20, 8186914), (31, 5281880), (40, 4093457), (62, 2640940), (124, 1320470), (155, 1056376), (248, 660235), (310, 528188), (620, 264094), (1240, 132047)]