40448240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{72229}}^1$

素因数の和:72249

約数の個数: 40

約数和(自身を含む): 107478240

約数和(自身を除く): 67030000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 72229, 144458, 288916, 361145, 505603, 577832, 722290, 1011206, 1155664, 1444580, 2022412, 2528015, 2889160, 4044824, 5056030, 5778320, 8089648, 10112060, 20224120, 40448240]

約数ペア:

[(1, 40448240), (2, 20224120), (4, 10112060), (5, 8089648), (7, 5778320), (8, 5056030), (10, 4044824), (14, 2889160), (16, 2528015), (20, 2022412), (28, 1444580), (35, 1155664), (40, 1011206), (56, 722290), (70, 577832), (80, 505603), (112, 361145), (140, 288916), (280, 144458), (560, 72229)]