1337764040

素因数分解:

$2^3\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{25667}}^1$

素因数の和:26981

約数の個数: 32

約数和(自身を含む): 3012396480

約数和(自身を除く): 1674632440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1303, 2606, 5212, 6515, 10424, 13030, 25667, 26060, 51334, 52120, 102668, 128335, 205336, 256670, 513340, 1026680, 33444101, 66888202, 133776404, 167220505, 267552808, 334441010, 668882020, 1337764040]

約数ペア:

[(1, 1337764040), (2, 668882020), (4, 334441010), (5, 267552808), (8, 167220505), (10, 133776404), (20, 66888202), (40, 33444101), (1303, 1026680), (2606, 513340), (5212, 256670), (6515, 205336), (10424, 128335), (13030, 102668), (25667, 52120), (26060, 51334)]