40743680

素因数分解:

$2^8\times 5^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 98725200

約数和(自身を除く): 57981520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 139, 160, 229, 256, 278, 320, 458, 556, 640, 695, 916, 1112, 1145, 1280, 1390, 1832, 2224, 2290, 2780, 3664, 4448, 4580, 5560, 7328, 8896, 9160, 11120, 14656, 17792, 18320, 22240, 29312, 31831, 35584, 36640, 44480, 58624, 63662, 73280, 88960, 127324, 146560, 159155, 177920, 254648, 293120, 318310, 509296, 636620, 1018592, 1273240, 2037184, 2546480, 4074368, 5092960, 8148736, 10185920, 20371840, 40743680]

約数ペア:

[(1, 40743680), (2, 20371840), (4, 10185920), (5, 8148736), (8, 5092960), (10, 4074368), (16, 2546480), (20, 2037184), (32, 1273240), (40, 1018592), (64, 636620), (80, 509296), (128, 318310), (139, 293120), (160, 254648), (229, 177920), (256, 159155), (278, 146560), (320, 127324), (458, 88960), (556, 73280), (640, 63662), (695, 58624), (916, 44480), (1112, 36640), (1145, 35584), (1280, 31831), (1390, 29312), (1832, 22240), (2224, 18320), (2290, 17792), (2780, 14656), (3664, 11120), (4448, 9160), (4580, 8896), (5560, 7328)]