40785720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19993}}^1$

素因数の和:20024

約数の個数: 64

約数和(自身を含む): 129561120

約数和(自身を除く): 88775400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 19993, 39986, 59979, 79972, 99965, 119958, 159944, 199930, 239916, 299895, 339881, 399860, 479832, 599790, 679762, 799720, 1019643, 1199580, 1359524, 1699405, 2039286, 2399160, 2719048, 3398810, 4078572, 5098215, 6797620, 8157144, 10196430, 13595240, 20392860, 40785720]

約数ペア:

[(1, 40785720), (2, 20392860), (3, 13595240), (4, 10196430), (5, 8157144), (6, 6797620), (8, 5098215), (10, 4078572), (12, 3398810), (15, 2719048), (17, 2399160), (20, 2039286), (24, 1699405), (30, 1359524), (34, 1199580), (40, 1019643), (51, 799720), (60, 679762), (68, 599790), (85, 479832), (102, 399860), (120, 339881), (136, 299895), (170, 239916), (204, 199930), (255, 159944), (340, 119958), (408, 99965), (510, 79972), (680, 59979), (1020, 39986), (2040, 19993)]