216389920

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43627}}^1$

素因数の和:43673

約数の個数: 48

約数和(自身を含む): 527724288

約数和(自身を除く): 311334368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 43627, 87254, 174508, 218135, 349016, 436270, 698032, 872540, 1352437, 1396064, 1745080, 2704874, 3490160, 5409748, 6762185, 6980320, 10819496, 13524370, 21638992, 27048740, 43277984, 54097480, 108194960, 216389920]

約数ペア:

[(1, 216389920), (2, 108194960), (4, 54097480), (5, 43277984), (8, 27048740), (10, 21638992), (16, 13524370), (20, 10819496), (31, 6980320), (32, 6762185), (40, 5409748), (62, 3490160), (80, 2704874), (124, 1745080), (155, 1396064), (160, 1352437), (248, 872540), (310, 698032), (496, 436270), (620, 349016), (992, 218135), (1240, 174508), (2480, 87254), (4960, 43627)]