1640783950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{132857}}^1$

素因数の和:132901

約数の個数: 48

約数和(自身を含む): 3459622320

約数和(自身を除く): 1818838370

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 1235, 2470, 6175, 12350, 132857, 265714, 664285, 1328570, 1727141, 2524283, 3321425, 3454282, 5048566, 6642850, 8635705, 12621415, 17271410, 25242830, 32815679, 43178525, 63107075, 65631358, 86357050, 126214150, 164078395, 328156790, 820391975, 1640783950]

約数ペア:

[(1, 1640783950), (2, 820391975), (5, 328156790), (10, 164078395), (13, 126214150), (19, 86357050), (25, 65631358), (26, 63107075), (38, 43178525), (50, 32815679), (65, 25242830), (95, 17271410), (130, 12621415), (190, 8635705), (247, 6642850), (325, 5048566), (475, 3454282), (494, 3321425), (650, 2524283), (950, 1727141), (1235, 1328570), (2470, 664285), (6175, 265714), (12350, 132857)]