13187727500

素因数分解:

$2^2\times 5^4\times {\mathrm{2063}}^1\times {\mathrm{2557}}^1$

素因数の和:4644

約数の個数: 60

約数和(自身を含む): 28864185504

約数和(自身を除く): 15676458004

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2063, 2500, 2557, 4126, 5114, 8252, 10228, 10315, 12785, 20630, 25570, 41260, 51140, 51575, 63925, 103150, 127850, 206300, 255700, 257875, 319625, 515750, 639250, 1031500, 1278500, 1289375, 1598125, 2578750, 3196250, 5157500, 5275091, 6392500, 10550182, 21100364, 26375455, 52750910, 105501820, 131877275, 263754550, 527509100, 659386375, 1318772750, 2637545500, 3296931875, 6593863750, 13187727500]

約数ペア:

[(1, 13187727500), (2, 6593863750), (4, 3296931875), (5, 2637545500), (10, 1318772750), (20, 659386375), (25, 527509100), (50, 263754550), (100, 131877275), (125, 105501820), (250, 52750910), (500, 26375455), (625, 21100364), (1250, 10550182), (2063, 6392500), (2500, 5275091), (2557, 5157500), (4126, 3196250), (5114, 2578750), (8252, 1598125), (10228, 1289375), (10315, 1278500), (12785, 1031500), (20630, 639250), (25570, 515750), (41260, 319625), (51140, 257875), (51575, 255700), (63925, 206300), (103150, 127850)]