65142760

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 150796800

約数和(自身を除く): 85654040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 109, 134, 218, 223, 268, 335, 436, 446, 536, 545, 670, 872, 892, 1090, 1115, 1340, 1784, 2180, 2230, 2680, 4360, 4460, 7303, 8920, 14606, 14941, 24307, 29212, 29882, 36515, 48614, 58424, 59764, 73030, 74705, 97228, 119528, 121535, 146060, 149410, 194456, 243070, 292120, 298820, 486140, 597640, 972280, 1628569, 3257138, 6514276, 8142845, 13028552, 16285690, 32571380, 65142760]

約数ペア:

[(1, 65142760), (2, 32571380), (4, 16285690), (5, 13028552), (8, 8142845), (10, 6514276), (20, 3257138), (40, 1628569), (67, 972280), (109, 597640), (134, 486140), (218, 298820), (223, 292120), (268, 243070), (335, 194456), (436, 149410), (446, 146060), (536, 121535), (545, 119528), (670, 97228), (872, 74705), (892, 73030), (1090, 59764), (1115, 58424), (1340, 48614), (1784, 36515), (2180, 29882), (2230, 29212), (2680, 24307), (4360, 14941), (4460, 14606), (7303, 8920)]