78429920

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16903}}^1$

素因数の和:16947

約数の個数: 48

約数和(自身を含む): 191691360

約数和(自身を除く): 113261440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 16903, 33806, 67612, 84515, 135224, 169030, 270448, 338060, 490187, 540896, 676120, 980374, 1352240, 1960748, 2450935, 2704480, 3921496, 4901870, 7842992, 9803740, 15685984, 19607480, 39214960, 78429920]

約数ペア:

[(1, 78429920), (2, 39214960), (4, 19607480), (5, 15685984), (8, 9803740), (10, 7842992), (16, 4901870), (20, 3921496), (29, 2704480), (32, 2450935), (40, 1960748), (58, 1352240), (80, 980374), (116, 676120), (145, 540896), (160, 490187), (232, 338060), (290, 270448), (464, 169030), (580, 135224), (928, 84515), (1160, 67612), (2320, 33806), (4640, 16903)]