42381640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6581}}^1$

素因数の和:6622

約数の個数: 64

約数和(自身を含む): 113736960

約数和(自身を除く): 71355320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 6581, 13162, 26324, 32905, 46067, 52648, 65810, 92134, 131620, 151363, 184268, 230335, 263240, 302726, 368536, 460670, 605452, 756815, 921340, 1059541, 1210904, 1513630, 1842680, 2119082, 3027260, 4238164, 5297705, 6054520, 8476328, 10595410, 21190820, 42381640]

約数ペア:

[(1, 42381640), (2, 21190820), (4, 10595410), (5, 8476328), (7, 6054520), (8, 5297705), (10, 4238164), (14, 3027260), (20, 2119082), (23, 1842680), (28, 1513630), (35, 1210904), (40, 1059541), (46, 921340), (56, 756815), (70, 605452), (92, 460670), (115, 368536), (140, 302726), (161, 263240), (184, 230335), (230, 184268), (280, 151363), (322, 131620), (460, 92134), (644, 65810), (805, 52648), (920, 46067), (1288, 32905), (1610, 26324), (3220, 13162), (6440, 6581)]