928020880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{400009}}^1$

素因数の和:400051

約数の個数: 40

約数和(自身を含む): 2232055800

約数和(自身を除く): 1304034920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 400009, 800018, 1600036, 2000045, 3200072, 4000090, 6400144, 8000180, 11600261, 16000360, 23200522, 32000720, 46401044, 58001305, 92802088, 116002610, 185604176, 232005220, 464010440, 928020880]

約数ペア:

[(1, 928020880), (2, 464010440), (4, 232005220), (5, 185604176), (8, 116002610), (10, 92802088), (16, 58001305), (20, 46401044), (29, 32000720), (40, 23200522), (58, 16000360), (80, 11600261), (116, 8000180), (145, 6400144), (232, 4000090), (290, 3200072), (464, 2000045), (580, 1600036), (1160, 800018), (2320, 400009)]