21584000

素因数分解:

$2^7\times 5^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:119

約数の個数: 128

約数和(自身を含む): 57283200

約数和(自身を除く): 35699200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 71, 76, 80, 95, 100, 125, 128, 142, 152, 160, 190, 200, 250, 284, 304, 320, 355, 380, 400, 475, 500, 568, 608, 640, 710, 760, 800, 950, 1000, 1136, 1216, 1349, 1420, 1520, 1600, 1775, 1900, 2000, 2272, 2375, 2432, 2698, 2840, 3040, 3200, 3550, 3800, 4000, 4544, 4750, 5396, 5680, 6080, 6745, 7100, 7600, 8000, 8875, 9088, 9500, 10792, 11360, 12160, 13490, 14200, 15200, 16000, 17750, 19000, 21584, 22720, 26980, 28400, 30400, 33725, 35500, 38000, 43168, 45440, 53960, 56800, 60800, 67450, 71000, 76000, 86336, 107920, 113600, 134900, 142000, 152000, 168625, 172672, 215840, 227200, 269800, 284000, 304000, 337250, 431680, 539600, 568000, 674500, 863360, 1079200, 1136000, 1349000, 2158400, 2698000, 4316800, 5396000, 10792000, 21584000]

約数ペア:

[(1, 21584000), (2, 10792000), (4, 5396000), (5, 4316800), (8, 2698000), (10, 2158400), (16, 1349000), (19, 1136000), (20, 1079200), (25, 863360), (32, 674500), (38, 568000), (40, 539600), (50, 431680), (64, 337250), (71, 304000), (76, 284000), (80, 269800), (95, 227200), (100, 215840), (125, 172672), (128, 168625), (142, 152000), (152, 142000), (160, 134900), (190, 113600), (200, 107920), (250, 86336), (284, 76000), (304, 71000), (320, 67450), (355, 60800), (380, 56800), (400, 53960), (475, 45440), (500, 43168), (568, 38000), (608, 35500), (640, 33725), (710, 30400), (760, 28400), (800, 26980), (950, 22720), (1000, 21584), (1136, 19000), (1216, 17750), (1349, 16000), (1420, 15200), (1520, 14200), (1600, 13490), (1775, 12160), (1900, 11360), (2000, 10792), (2272, 9500), (2375, 9088), (2432, 8875), (2698, 8000), (2840, 7600), (3040, 7100), (3200, 6745), (3550, 6080), (3800, 5680), (4000, 5396), (4544, 4750)]