8030620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{461}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 18472608

約数和(自身を除く): 10441988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 461, 670, 871, 922, 1340, 1742, 1844, 2305, 3484, 4355, 4610, 5993, 8710, 9220, 11986, 17420, 23972, 29965, 30887, 59930, 61774, 119860, 123548, 154435, 308870, 401531, 617740, 803062, 1606124, 2007655, 4015310, 8030620]

約数ペア:

[(1, 8030620), (2, 4015310), (4, 2007655), (5, 1606124), (10, 803062), (13, 617740), (20, 401531), (26, 308870), (52, 154435), (65, 123548), (67, 119860), (130, 61774), (134, 59930), (260, 30887), (268, 29965), (335, 23972), (461, 17420), (670, 11986), (871, 9220), (922, 8710), (1340, 5993), (1742, 4610), (1844, 4355), (2305, 3484)]