5280250040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{39511}}^1$

素因数の和:39792

約数の個数: 64

約数和(自身を含む): 12844560960

約数和(自身を除く): 7564310920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 257, 260, 514, 520, 1028, 1285, 2056, 2570, 3341, 5140, 6682, 10280, 13364, 16705, 26728, 33410, 39511, 66820, 79022, 133640, 158044, 197555, 316088, 395110, 513643, 790220, 1027286, 1580440, 2054572, 2568215, 4109144, 5136430, 10154327, 10272860, 20308654, 20545720, 40617308, 50771635, 81234616, 101543270, 132006251, 203086540, 264012502, 406173080, 528025004, 660031255, 1056050008, 1320062510, 2640125020, 5280250040]

約数ペア:

[(1, 5280250040), (2, 2640125020), (4, 1320062510), (5, 1056050008), (8, 660031255), (10, 528025004), (13, 406173080), (20, 264012502), (26, 203086540), (40, 132006251), (52, 101543270), (65, 81234616), (104, 50771635), (130, 40617308), (257, 20545720), (260, 20308654), (514, 10272860), (520, 10154327), (1028, 5136430), (1285, 4109144), (2056, 2568215), (2570, 2054572), (3341, 1580440), (5140, 1027286), (6682, 790220), (10280, 513643), (13364, 395110), (16705, 316088), (26728, 197555), (33410, 158044), (39511, 133640), (66820, 79022)]