8121040000

素因数分解:

$2^7\times 5^4\times {\mathrm{101513}}^1$

素因数の和:101547

約数の個数: 80

約数和(自身を含む): 20217020670

約数和(自身を除く): 12095980670

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 625, 640, 800, 1000, 1250, 1600, 2000, 2500, 3200, 4000, 5000, 8000, 10000, 16000, 20000, 40000, 80000, 101513, 203026, 406052, 507565, 812104, 1015130, 1624208, 2030260, 2537825, 3248416, 4060520, 5075650, 6496832, 8121040, 10151300, 12689125, 12993664, 16242080, 20302600, 25378250, 32484160, 40605200, 50756500, 63445625, 64968320, 81210400, 101513000, 126891250, 162420800, 203026000, 253782500, 324841600, 406052000, 507565000, 812104000, 1015130000, 1624208000, 2030260000, 4060520000, 8121040000]

約数ペア:

[(1, 8121040000), (2, 4060520000), (4, 2030260000), (5, 1624208000), (8, 1015130000), (10, 812104000), (16, 507565000), (20, 406052000), (25, 324841600), (32, 253782500), (40, 203026000), (50, 162420800), (64, 126891250), (80, 101513000), (100, 81210400), (125, 64968320), (128, 63445625), (160, 50756500), (200, 40605200), (250, 32484160), (320, 25378250), (400, 20302600), (500, 16242080), (625, 12993664), (640, 12689125), (800, 10151300), (1000, 8121040), (1250, 6496832), (1600, 5075650), (2000, 4060520), (2500, 3248416), (3200, 2537825), (4000, 2030260), (5000, 1624208), (8000, 1015130), (10000, 812104), (16000, 507565), (20000, 406052), (40000, 203026), (80000, 101513)]