2042560

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:521

約数の個数: 56

約数和(自身を含む): 5248656

約数和(自身を除く): 3206096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 491, 520, 832, 982, 1040, 1964, 2080, 2455, 3928, 4160, 4910, 6383, 7856, 9820, 12766, 15712, 19640, 25532, 31424, 31915, 39280, 51064, 63830, 78560, 102128, 127660, 157120, 204256, 255320, 408512, 510640, 1021280, 2042560]

約数ペア:

[(1, 2042560), (2, 1021280), (4, 510640), (5, 408512), (8, 255320), (10, 204256), (13, 157120), (16, 127660), (20, 102128), (26, 78560), (32, 63830), (40, 51064), (52, 39280), (64, 31915), (65, 31424), (80, 25532), (104, 19640), (130, 15712), (160, 12766), (208, 9820), (260, 7856), (320, 6383), (416, 4910), (491, 4160), (520, 3928), (832, 2455), (982, 2080), (1040, 1964)]