28729720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{24767}}^1$

素因数の和:24807

約数の個数: 32

約数和(自身を含む): 66873600

約数和(自身を除く): 38143880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 24767, 49534, 99068, 123835, 198136, 247670, 495340, 718243, 990680, 1436486, 2872972, 3591215, 5745944, 7182430, 14364860, 28729720]

約数ペア:

[(1, 28729720), (2, 14364860), (4, 7182430), (5, 5745944), (8, 3591215), (10, 2872972), (20, 1436486), (29, 990680), (40, 718243), (58, 495340), (116, 247670), (145, 198136), (232, 123835), (290, 99068), (580, 49534), (1160, 24767)]