160390280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{129347}}^1$

素因数の和:129389

約数の個数: 32

約数和(自身を含む): 372522240

約数和(自身を除く): 212131960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 129347, 258694, 517388, 646735, 1034776, 1293470, 2586940, 4009757, 5173880, 8019514, 16039028, 20048785, 32078056, 40097570, 80195140, 160390280]

約数ペア:

[(1, 160390280), (2, 80195140), (4, 40097570), (5, 32078056), (8, 20048785), (10, 16039028), (20, 8019514), (31, 5173880), (40, 4009757), (62, 2586940), (124, 1293470), (155, 1034776), (248, 646735), (310, 517388), (620, 258694), (1240, 129347)]