29390440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17921}}^1$

素因数の和:17973

約数の個数: 32

約数和(自身を含む): 67745160

約数和(自身を除く): 38354720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 17921, 35842, 71684, 89605, 143368, 179210, 358420, 716840, 734761, 1469522, 2939044, 3673805, 5878088, 7347610, 14695220, 29390440]

約数ペア:

[(1, 29390440), (2, 14695220), (4, 7347610), (5, 5878088), (8, 3673805), (10, 2939044), (20, 1469522), (40, 734761), (41, 716840), (82, 358420), (164, 179210), (205, 143368), (328, 89605), (410, 71684), (820, 35842), (1640, 17921)]