849680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:88

約数の個数: 80

約数和(自身を含む): 2291520

約数和(自身を除く): 1441840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 43, 52, 65, 76, 80, 86, 95, 104, 130, 152, 172, 190, 208, 215, 247, 260, 304, 344, 380, 430, 494, 520, 559, 688, 760, 817, 860, 988, 1040, 1118, 1235, 1520, 1634, 1720, 1976, 2236, 2470, 2795, 3268, 3440, 3952, 4085, 4472, 4940, 5590, 6536, 8170, 8944, 9880, 10621, 11180, 13072, 16340, 19760, 21242, 22360, 32680, 42484, 44720, 53105, 65360, 84968, 106210, 169936, 212420, 424840, 849680]

約数ペア:

[(1, 849680), (2, 424840), (4, 212420), (5, 169936), (8, 106210), (10, 84968), (13, 65360), (16, 53105), (19, 44720), (20, 42484), (26, 32680), (38, 22360), (40, 21242), (43, 19760), (52, 16340), (65, 13072), (76, 11180), (80, 10621), (86, 9880), (95, 8944), (104, 8170), (130, 6536), (152, 5590), (172, 4940), (190, 4472), (208, 4085), (215, 3952), (247, 3440), (260, 3268), (304, 2795), (344, 2470), (380, 2236), (430, 1976), (494, 1720), (520, 1634), (559, 1520), (688, 1235), (760, 1118), (817, 1040), (860, 988)]