534608020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{21031}}^1$

素因数の和:21112

約数の個数: 48

約数和(自身を含む): 1187214336

約数和(自身を除く): 652606316

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 2542, 5084, 6355, 12710, 21031, 25420, 42062, 84124, 105155, 210310, 420620, 651961, 862271, 1303922, 1724542, 2607844, 3259805, 3449084, 4311355, 6519610, 8622710, 13039220, 17245420, 26730401, 53460802, 106921604, 133652005, 267304010, 534608020]

約数ペア:

[(1, 534608020), (2, 267304010), (4, 133652005), (5, 106921604), (10, 53460802), (20, 26730401), (31, 17245420), (41, 13039220), (62, 8622710), (82, 6519610), (124, 4311355), (155, 3449084), (164, 3259805), (205, 2607844), (310, 1724542), (410, 1303922), (620, 862271), (820, 651961), (1271, 420620), (2542, 210310), (5084, 105155), (6355, 84124), (12710, 42062), (21031, 25420)]