8685440

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 21334320

約数和(自身を除く): 12648880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 331, 410, 640, 656, 662, 820, 1312, 1324, 1640, 1655, 2624, 2648, 3280, 3310, 5248, 5296, 6560, 6620, 10592, 13120, 13240, 13571, 21184, 26240, 26480, 27142, 42368, 52960, 54284, 67855, 105920, 108568, 135710, 211840, 217136, 271420, 434272, 542840, 868544, 1085680, 1737088, 2171360, 4342720, 8685440]

約数ペア:

[(1, 8685440), (2, 4342720), (4, 2171360), (5, 1737088), (8, 1085680), (10, 868544), (16, 542840), (20, 434272), (32, 271420), (40, 217136), (41, 211840), (64, 135710), (80, 108568), (82, 105920), (128, 67855), (160, 54284), (164, 52960), (205, 42368), (320, 27142), (328, 26480), (331, 26240), (410, 21184), (640, 13571), (656, 13240), (662, 13120), (820, 10592), (1312, 6620), (1324, 6560), (1640, 5296), (1655, 5248), (2624, 3310), (2648, 3280)]