15953860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1427}}^1$

素因数の和:1492

約数の個数: 48

約数和(自身を含む): 36945216

約数和(自身を除く): 20991356

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1427, 2236, 2795, 2854, 5590, 5708, 7135, 11180, 14270, 18551, 28540, 37102, 61361, 74204, 92755, 122722, 185510, 245444, 306805, 371020, 613610, 797693, 1227220, 1595386, 3190772, 3988465, 7976930, 15953860]

約数ペア:

[(1, 15953860), (2, 7976930), (4, 3988465), (5, 3190772), (10, 1595386), (13, 1227220), (20, 797693), (26, 613610), (43, 371020), (52, 306805), (65, 245444), (86, 185510), (130, 122722), (172, 92755), (215, 74204), (260, 61361), (430, 37102), (559, 28540), (860, 18551), (1118, 14270), (1427, 11180), (2236, 7135), (2795, 5708), (2854, 5590)]