131035760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{52837}}^1$

素因数の和:52881

約数の個数: 40

約数和(自身を含む): 314491776

約数和(自身を除く): 183456016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 52837, 105674, 211348, 264185, 422696, 528370, 845392, 1056740, 1637947, 2113480, 3275894, 4226960, 6551788, 8189735, 13103576, 16379470, 26207152, 32758940, 65517880, 131035760]

約数ペア:

[(1, 131035760), (2, 65517880), (4, 32758940), (5, 26207152), (8, 16379470), (10, 13103576), (16, 8189735), (20, 6551788), (31, 4226960), (40, 3275894), (62, 2113480), (80, 1637947), (124, 1056740), (155, 845392), (248, 528370), (310, 422696), (496, 264185), (620, 211348), (1240, 105674), (2480, 52837)]