101649040

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11657}}^1$

素因数の和:11779

約数の個数: 40

約数和(自身を含む): 238522680

約数和(自身を除く): 136873640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 11657, 23314, 46628, 58285, 93256, 116570, 186512, 233140, 466280, 932560, 1270613, 2541226, 5082452, 6353065, 10164904, 12706130, 20329808, 25412260, 50824520, 101649040]

約数ペア:

[(1, 101649040), (2, 50824520), (4, 25412260), (5, 20329808), (8, 12706130), (10, 10164904), (16, 6353065), (20, 5082452), (40, 2541226), (80, 1270613), (109, 932560), (218, 466280), (436, 233140), (545, 186512), (872, 116570), (1090, 93256), (1744, 58285), (2180, 46628), (4360, 23314), (8720, 11657)]