103780720

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16421}}^1$

素因数の和:16513

約数の個数: 40

約数和(自身を含む): 244359360

約数和(自身を除く): 140578640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 16421, 32842, 65684, 82105, 131368, 164210, 262736, 328420, 656840, 1297259, 1313680, 2594518, 5189036, 6486295, 10378072, 12972590, 20756144, 25945180, 51890360, 103780720]

約数ペア:

[(1, 103780720), (2, 51890360), (4, 25945180), (5, 20756144), (8, 12972590), (10, 10378072), (16, 6486295), (20, 5189036), (40, 2594518), (79, 1313680), (80, 1297259), (158, 656840), (316, 328420), (395, 262736), (632, 164210), (790, 131368), (1264, 82105), (1580, 65684), (3160, 32842), (6320, 16421)]