2551640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{701}}^1$

素因数の和:732

約数の個数: 64

約数和(自身を含む): 7076160

約数和(自身を除く): 4524520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 701, 728, 910, 1402, 1820, 2804, 3505, 3640, 4907, 5608, 7010, 9113, 9814, 14020, 18226, 19628, 24535, 28040, 36452, 39256, 45565, 49070, 63791, 72904, 91130, 98140, 127582, 182260, 196280, 255164, 318955, 364520, 510328, 637910, 1275820, 2551640]

約数ペア:

[(1, 2551640), (2, 1275820), (4, 637910), (5, 510328), (7, 364520), (8, 318955), (10, 255164), (13, 196280), (14, 182260), (20, 127582), (26, 98140), (28, 91130), (35, 72904), (40, 63791), (52, 49070), (56, 45565), (65, 39256), (70, 36452), (91, 28040), (104, 24535), (130, 19628), (140, 18226), (182, 14020), (260, 9814), (280, 9113), (364, 7010), (455, 5608), (520, 4907), (701, 3640), (728, 3505), (910, 2804), (1402, 1820)]