163275760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65837}}^1$

素因数の和:65881

約数の個数: 40

約数和(自身を含む): 391867776

約数和(自身を除く): 228592016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 65837, 131674, 263348, 329185, 526696, 658370, 1053392, 1316740, 2040947, 2633480, 4081894, 5266960, 8163788, 10204735, 16327576, 20409470, 32655152, 40818940, 81637880, 163275760]

約数ペア:

[(1, 163275760), (2, 81637880), (4, 40818940), (5, 32655152), (8, 20409470), (10, 16327576), (16, 10204735), (20, 8163788), (31, 5266960), (40, 4081894), (62, 2633480), (80, 2040947), (124, 1316740), (155, 1053392), (248, 658370), (310, 526696), (496, 329185), (620, 263348), (1240, 131674), (2480, 65837)]