31939700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:417

約数の個数: 72

約数和(自身を含む): 75828480

約数和(自身を除く): 43888780

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 79, 100, 130, 158, 260, 311, 316, 325, 395, 622, 650, 790, 1027, 1244, 1300, 1555, 1580, 1975, 2054, 3110, 3950, 4043, 4108, 5135, 6220, 7775, 7900, 8086, 10270, 15550, 16172, 20215, 20540, 24569, 25675, 31100, 40430, 49138, 51350, 80860, 98276, 101075, 102700, 122845, 202150, 245690, 319397, 404300, 491380, 614225, 638794, 1228450, 1277588, 1596985, 2456900, 3193970, 6387940, 7984925, 15969850, 31939700]

約数ペア:

[(1, 31939700), (2, 15969850), (4, 7984925), (5, 6387940), (10, 3193970), (13, 2456900), (20, 1596985), (25, 1277588), (26, 1228450), (50, 638794), (52, 614225), (65, 491380), (79, 404300), (100, 319397), (130, 245690), (158, 202150), (260, 122845), (311, 102700), (316, 101075), (325, 98276), (395, 80860), (622, 51350), (650, 49138), (790, 40430), (1027, 31100), (1244, 25675), (1300, 24569), (1555, 20540), (1580, 20215), (1975, 16172), (2054, 15550), (3110, 10270), (3950, 8086), (4043, 7900), (4108, 7775), (5135, 6220)]