17719280

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3631}}^1$

素因数の和:3705

約数の個数: 40

約数和(自身を含む): 41884224

約数和(自身を除く): 24164944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 3631, 4880, 7262, 14524, 18155, 29048, 36310, 58096, 72620, 145240, 221491, 290480, 442982, 885964, 1107455, 1771928, 2214910, 3543856, 4429820, 8859640, 17719280]

約数ペア:

[(1, 17719280), (2, 8859640), (4, 4429820), (5, 3543856), (8, 2214910), (10, 1771928), (16, 1107455), (20, 885964), (40, 442982), (61, 290480), (80, 221491), (122, 145240), (244, 72620), (305, 58096), (488, 36310), (610, 29048), (976, 18155), (1220, 14524), (2440, 7262), (3631, 4880)]