131374480

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{26921}}^1$

素因数の和:26995

約数の個数: 40

約数和(自身を含む): 310464504

約数和(自身を除く): 179090024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 26921, 53842, 107684, 134605, 215368, 269210, 430736, 538420, 1076840, 1642181, 2153680, 3284362, 6568724, 8210905, 13137448, 16421810, 26274896, 32843620, 65687240, 131374480]

約数ペア:

[(1, 131374480), (2, 65687240), (4, 32843620), (5, 26274896), (8, 16421810), (10, 13137448), (16, 8210905), (20, 6568724), (40, 3284362), (61, 2153680), (80, 1642181), (122, 1076840), (244, 538420), (305, 430736), (488, 269210), (610, 215368), (976, 134605), (1220, 107684), (2440, 53842), (4880, 26921)]