28536950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1021}}^1$

素因数の和:1089

約数の個数: 48

約数和(自身を含む): 58548336

約数和(自身を除く): 30011386

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 130, 215, 325, 430, 559, 650, 1021, 1075, 1118, 2042, 2150, 2795, 5105, 5590, 10210, 13273, 13975, 25525, 26546, 27950, 43903, 51050, 66365, 87806, 132730, 219515, 331825, 439030, 570739, 663650, 1097575, 1141478, 2195150, 2853695, 5707390, 14268475, 28536950]

約数ペア:

[(1, 28536950), (2, 14268475), (5, 5707390), (10, 2853695), (13, 2195150), (25, 1141478), (26, 1097575), (43, 663650), (50, 570739), (65, 439030), (86, 331825), (130, 219515), (215, 132730), (325, 87806), (430, 66365), (559, 51050), (650, 43903), (1021, 27950), (1075, 26546), (1118, 25525), (2042, 13975), (2150, 13273), (2795, 10210), (5105, 5590)]