81415400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1609}}^1$

素因数の和:1659

約数の個数: 96

約数和(自身を含む): 215611200

約数和(自身を除く): 134195800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 25, 40, 44, 46, 50, 55, 88, 92, 100, 110, 115, 184, 200, 220, 230, 253, 275, 440, 460, 506, 550, 575, 920, 1012, 1100, 1150, 1265, 1609, 2024, 2200, 2300, 2530, 3218, 4600, 5060, 6325, 6436, 8045, 10120, 12650, 12872, 16090, 17699, 25300, 32180, 35398, 37007, 40225, 50600, 64360, 70796, 74014, 80450, 88495, 141592, 148028, 160900, 176990, 185035, 296056, 321800, 353980, 370070, 407077, 442475, 707960, 740140, 814154, 884950, 925175, 1480280, 1628308, 1769900, 1850350, 2035385, 3256616, 3539800, 3700700, 4070770, 7401400, 8141540, 10176925, 16283080, 20353850, 40707700, 81415400]

約数ペア:

[(1, 81415400), (2, 40707700), (4, 20353850), (5, 16283080), (8, 10176925), (10, 8141540), (11, 7401400), (20, 4070770), (22, 3700700), (23, 3539800), (25, 3256616), (40, 2035385), (44, 1850350), (46, 1769900), (50, 1628308), (55, 1480280), (88, 925175), (92, 884950), (100, 814154), (110, 740140), (115, 707960), (184, 442475), (200, 407077), (220, 370070), (230, 353980), (253, 321800), (275, 296056), (440, 185035), (460, 176990), (506, 160900), (550, 148028), (575, 141592), (920, 88495), (1012, 80450), (1100, 74014), (1150, 70796), (1265, 64360), (1609, 50600), (2024, 40225), (2200, 37007), (2300, 35398), (2530, 32180), (3218, 25300), (4600, 17699), (5060, 16090), (6325, 12872), (6436, 12650), (8045, 10120)]