164035880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{132287}}^1$

素因数の和:132329

約数の個数: 32

約数和(自身を含む): 380989440

約数和(自身を除く): 216953560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 132287, 264574, 529148, 661435, 1058296, 1322870, 2645740, 4100897, 5291480, 8201794, 16403588, 20504485, 32807176, 41008970, 82017940, 164035880]

約数ペア:

[(1, 164035880), (2, 82017940), (4, 41008970), (5, 32807176), (8, 20504485), (10, 16403588), (20, 8201794), (31, 5291480), (40, 4100897), (62, 2645740), (124, 1322870), (155, 1058296), (248, 661435), (310, 529148), (620, 264574), (1240, 132287)]