105700400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20327}}^1$

素因数の和:20358

約数の個数: 60

約数和(自身を含む): 273492912

約数和(自身を除く): 167792512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 20327, 40654, 81308, 101635, 162616, 203270, 264251, 325232, 406540, 508175, 528502, 813080, 1016350, 1057004, 1321255, 1626160, 2032700, 2114008, 2642510, 4065400, 4228016, 5285020, 6606275, 8130800, 10570040, 13212550, 21140080, 26425100, 52850200, 105700400]

約数ペア:

[(1, 105700400), (2, 52850200), (4, 26425100), (5, 21140080), (8, 13212550), (10, 10570040), (13, 8130800), (16, 6606275), (20, 5285020), (25, 4228016), (26, 4065400), (40, 2642510), (50, 2114008), (52, 2032700), (65, 1626160), (80, 1321255), (100, 1057004), (104, 1016350), (130, 813080), (200, 528502), (208, 508175), (260, 406540), (325, 325232), (400, 264251), (520, 203270), (650, 162616), (1040, 101635), (1300, 81308), (2600, 40654), (5200, 20327)]