145702720

素因数分解:

$2^6\times 5^1\times {\mathrm{455321}}^1$

素因数の和:455338

約数の個数: 28

約数和(自身を含む): 346955364

約数和(自身を除く): 201252644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 455321, 910642, 1821284, 2276605, 3642568, 4553210, 7285136, 9106420, 14570272, 18212840, 29140544, 36425680, 72851360, 145702720]

約数ペア:

[(1, 145702720), (2, 72851360), (4, 36425680), (5, 29140544), (8, 18212840), (10, 14570272), (16, 9106420), (20, 7285136), (32, 4553210), (40, 3642568), (64, 2276605), (80, 1821284), (160, 910642), (320, 455321)]