8202680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 19958400

約数和(自身を除く): 11755720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 251, 344, 380, 430, 502, 760, 817, 860, 1004, 1255, 1634, 1720, 2008, 2510, 3268, 4085, 4769, 5020, 6536, 8170, 9538, 10040, 10793, 16340, 19076, 21586, 23845, 32680, 38152, 43172, 47690, 53965, 86344, 95380, 107930, 190760, 205067, 215860, 410134, 431720, 820268, 1025335, 1640536, 2050670, 4101340, 8202680]

約数ペア:

[(1, 8202680), (2, 4101340), (4, 2050670), (5, 1640536), (8, 1025335), (10, 820268), (19, 431720), (20, 410134), (38, 215860), (40, 205067), (43, 190760), (76, 107930), (86, 95380), (95, 86344), (152, 53965), (172, 47690), (190, 43172), (215, 38152), (251, 32680), (344, 23845), (380, 21586), (430, 19076), (502, 16340), (760, 10793), (817, 10040), (860, 9538), (1004, 8170), (1255, 6536), (1634, 5020), (1720, 4769), (2008, 4085), (2510, 3268)]