65865680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 160864704

約数和(自身を除く): 94999024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 43, 80, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 467, 656, 688, 820, 860, 934, 1640, 1720, 1763, 1868, 2335, 3280, 3440, 3526, 3736, 4670, 7052, 7472, 8815, 9340, 14104, 17630, 18680, 19147, 20081, 28208, 35260, 37360, 38294, 40162, 70520, 76588, 80324, 95735, 100405, 141040, 153176, 160648, 191470, 200810, 306352, 321296, 382940, 401620, 765880, 803240, 823321, 1531760, 1606480, 1646642, 3293284, 4116605, 6586568, 8233210, 13173136, 16466420, 32932840, 65865680]

約数ペア:

[(1, 65865680), (2, 32932840), (4, 16466420), (5, 13173136), (8, 8233210), (10, 6586568), (16, 4116605), (20, 3293284), (40, 1646642), (41, 1606480), (43, 1531760), (80, 823321), (82, 803240), (86, 765880), (164, 401620), (172, 382940), (205, 321296), (215, 306352), (328, 200810), (344, 191470), (410, 160648), (430, 153176), (467, 141040), (656, 100405), (688, 95735), (820, 80324), (860, 76588), (934, 70520), (1640, 40162), (1720, 38294), (1763, 37360), (1868, 35260), (2335, 28208), (3280, 20081), (3440, 19147), (3526, 18680), (3736, 17630), (4670, 14104), (7052, 9340), (7472, 8815)]