129107360

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19681}}^1$

素因数の和:19737

約数の個数: 48

約数和(自身を含む): 312471432

約数和(自身を除く): 183364072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 19681, 39362, 78724, 98405, 157448, 196810, 314896, 393620, 629792, 787240, 806921, 1574480, 1613842, 3148960, 3227684, 4034605, 6455368, 8069210, 12910736, 16138420, 25821472, 32276840, 64553680, 129107360]

約数ペア:

[(1, 129107360), (2, 64553680), (4, 32276840), (5, 25821472), (8, 16138420), (10, 12910736), (16, 8069210), (20, 6455368), (32, 4034605), (40, 3227684), (41, 3148960), (80, 1613842), (82, 1574480), (160, 806921), (164, 787240), (205, 629792), (328, 393620), (410, 314896), (656, 196810), (820, 157448), (1312, 98405), (1640, 78724), (3280, 39362), (6560, 19681)]