129377420

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{41203}}^1$

素因数の和:41369

約数の個数: 24

約数和(自身を含む): 273429744

約数和(自身を除く): 144052324

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 41203, 82406, 164812, 206015, 412030, 824060, 6468871, 12937742, 25875484, 32344355, 64688710, 129377420]

約数ペア:

[(1, 129377420), (2, 64688710), (4, 32344355), (5, 25875484), (10, 12937742), (20, 6468871), (157, 824060), (314, 412030), (628, 206015), (785, 164812), (1570, 82406), (3140, 41203)]