401542.00000000

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{13681}}^1$

素因数の和:13735

約数の個数: 40

約数和(自身を含む): 106883784

約数和(自身を除く): 62010104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 13681, 27362, 54724, 68405, 109448, 136810, 218896, 273620, 547240, 560921, 1094480, 1121842, 2243684, 2804605, 4487368, 5609210, 8974736, 11218420, 22436840, 44873680]

約数ペア:

[(1, 44873680), (2, 22436840), (4, 11218420), (5, 8974736), (8, 5609210), (10, 4487368), (16, 2804605), (20, 2243684), (40, 1121842), (41, 1094480), (80, 560921), (82, 547240), (164, 273620), (205, 218896), (328, 136810), (410, 109448), (656, 68405), (820, 54724), (1640, 27362), (3280, 13681)]