29866960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21961}}^1$

素因数の和:21991

約数の個数: 40

約数和(自身を含む): 73528776

約数和(自身を除く): 43661816

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 21961, 43922, 87844, 109805, 175688, 219610, 351376, 373337, 439220, 746674, 878440, 1493348, 1756880, 1866685, 2986696, 3733370, 5973392, 7466740, 14933480, 29866960]

約数ペア:

[(1, 29866960), (2, 14933480), (4, 7466740), (5, 5973392), (8, 3733370), (10, 2986696), (16, 1866685), (17, 1756880), (20, 1493348), (34, 878440), (40, 746674), (68, 439220), (80, 373337), (85, 351376), (136, 219610), (170, 175688), (272, 109805), (340, 87844), (680, 43922), (1360, 21961)]