163021840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{119869}}^1$

素因数の和:119899

約数の個数: 40

約数和(自身を含む): 401324760

約数和(自身を除く): 238302920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 119869, 239738, 479476, 599345, 958952, 1198690, 1917904, 2037773, 2397380, 4075546, 4794760, 8151092, 9589520, 10188865, 16302184, 20377730, 32604368, 40755460, 81510920, 163021840]

約数ペア:

[(1, 163021840), (2, 81510920), (4, 40755460), (5, 32604368), (8, 20377730), (10, 16302184), (16, 10188865), (17, 9589520), (20, 8151092), (34, 4794760), (40, 4075546), (68, 2397380), (80, 2037773), (85, 1917904), (136, 1198690), (170, 958952), (272, 599345), (340, 479476), (680, 239738), (1360, 119869)]