440386480

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{9883}}^1$

素因数の和:10453

約数の個数: 40

約数和(自身を含む): 1025840592

約数和(自身を除く): 585454112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 2228, 2785, 4456, 5570, 8912, 9883, 11140, 19766, 22280, 39532, 44560, 49415, 79064, 98830, 158128, 197660, 395320, 790640, 5504831, 11009662, 22019324, 27524155, 44038648, 55048310, 88077296, 110096620, 220193240, 440386480]

約数ペア:

[(1, 440386480), (2, 220193240), (4, 110096620), (5, 88077296), (8, 55048310), (10, 44038648), (16, 27524155), (20, 22019324), (40, 11009662), (80, 5504831), (557, 790640), (1114, 395320), (2228, 197660), (2785, 158128), (4456, 98830), (5570, 79064), (8912, 49415), (9883, 44560), (11140, 39532), (19766, 22280)]