28359440

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{4271}}^1$

素因数の和:4367

約数の個数: 40

約数和(自身を含む): 66745728

約数和(自身を除く): 38386288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 4271, 6640, 8542, 17084, 21355, 34168, 42710, 68336, 85420, 170840, 341680, 354493, 708986, 1417972, 1772465, 2835944, 3544930, 5671888, 7089860, 14179720, 28359440]

約数ペア:

[(1, 28359440), (2, 14179720), (4, 7089860), (5, 5671888), (8, 3544930), (10, 2835944), (16, 1772465), (20, 1417972), (40, 708986), (80, 354493), (83, 341680), (166, 170840), (332, 85420), (415, 68336), (664, 42710), (830, 34168), (1328, 21355), (1660, 17084), (3320, 8542), (4271, 6640)]