55558840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 129470400

約数和(自身を除く): 73911560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 73, 106, 146, 212, 265, 292, 359, 365, 424, 530, 584, 718, 730, 1060, 1436, 1460, 1795, 2120, 2872, 2920, 3590, 3869, 7180, 7738, 14360, 15476, 19027, 19345, 26207, 30952, 38054, 38690, 52414, 76108, 77380, 95135, 104828, 131035, 152216, 154760, 190270, 209656, 262070, 380540, 524140, 761080, 1048280, 1388971, 2777942, 5555884, 6944855, 11111768, 13889710, 27779420, 55558840]

約数ペア:

[(1, 55558840), (2, 27779420), (4, 13889710), (5, 11111768), (8, 6944855), (10, 5555884), (20, 2777942), (40, 1388971), (53, 1048280), (73, 761080), (106, 524140), (146, 380540), (212, 262070), (265, 209656), (292, 190270), (359, 154760), (365, 152216), (424, 131035), (530, 104828), (584, 95135), (718, 77380), (730, 76108), (1060, 52414), (1436, 38690), (1460, 38054), (1795, 30952), (2120, 26207), (2872, 19345), (2920, 19027), (3590, 15476), (3869, 14360), (7180, 7738)]