72004000

素因数分解:

$2^5\times 5^3\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:455

約数の個数: 96

約数和(自身を含む): 181149696

約数和(自身を除く): 109145696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 80, 94, 100, 125, 160, 188, 200, 235, 250, 376, 383, 400, 470, 500, 752, 766, 800, 940, 1000, 1175, 1504, 1532, 1880, 1915, 2000, 2350, 3064, 3760, 3830, 4000, 4700, 5875, 6128, 7520, 7660, 9400, 9575, 11750, 12256, 15320, 18001, 18800, 19150, 23500, 30640, 36002, 37600, 38300, 47000, 47875, 61280, 72004, 76600, 90005, 94000, 95750, 144008, 153200, 180010, 188000, 191500, 288016, 306400, 360020, 383000, 450025, 576032, 720040, 766000, 900050, 1440080, 1532000, 1800100, 2250125, 2880160, 3600200, 4500250, 7200400, 9000500, 14400800, 18001000, 36002000, 72004000]

約数ペア:

[(1, 72004000), (2, 36002000), (4, 18001000), (5, 14400800), (8, 9000500), (10, 7200400), (16, 4500250), (20, 3600200), (25, 2880160), (32, 2250125), (40, 1800100), (47, 1532000), (50, 1440080), (80, 900050), (94, 766000), (100, 720040), (125, 576032), (160, 450025), (188, 383000), (200, 360020), (235, 306400), (250, 288016), (376, 191500), (383, 188000), (400, 180010), (470, 153200), (500, 144008), (752, 95750), (766, 94000), (800, 90005), (940, 76600), (1000, 72004), (1175, 61280), (1504, 47875), (1532, 47000), (1880, 38300), (1915, 37600), (2000, 36002), (2350, 30640), (3064, 23500), (3760, 19150), (3830, 18800), (4000, 18001), (4700, 15320), (5875, 12256), (6128, 11750), (7520, 9575), (7660, 9400)]