17947760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7237}}^1$

素因数の和:7281

約数の個数: 40

約数和(自身を含む): 43080576

約数和(自身を除く): 25132816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 7237, 14474, 28948, 36185, 57896, 72370, 115792, 144740, 224347, 289480, 448694, 578960, 897388, 1121735, 1794776, 2243470, 3589552, 4486940, 8973880, 17947760]

約数ペア:

[(1, 17947760), (2, 8973880), (4, 4486940), (5, 3589552), (8, 2243470), (10, 1794776), (16, 1121735), (20, 897388), (31, 578960), (40, 448694), (62, 289480), (80, 224347), (124, 144740), (155, 115792), (248, 72370), (310, 57896), (496, 36185), (620, 28948), (1240, 14474), (2480, 7237)]