42768700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 101056032

約数和(自身を除く): 58287332

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 167, 197, 260, 325, 334, 394, 650, 668, 788, 835, 985, 1300, 1670, 1970, 2171, 2561, 3340, 3940, 4175, 4342, 4925, 5122, 8350, 8684, 9850, 10244, 10855, 12805, 16700, 19700, 21710, 25610, 32899, 43420, 51220, 54275, 64025, 65798, 108550, 128050, 131596, 164495, 217100, 256100, 328990, 427687, 657980, 822475, 855374, 1644950, 1710748, 2138435, 3289900, 4276870, 8553740, 10692175, 21384350, 42768700]

約数ペア:

[(1, 42768700), (2, 21384350), (4, 10692175), (5, 8553740), (10, 4276870), (13, 3289900), (20, 2138435), (25, 1710748), (26, 1644950), (50, 855374), (52, 822475), (65, 657980), (100, 427687), (130, 328990), (167, 256100), (197, 217100), (260, 164495), (325, 131596), (334, 128050), (394, 108550), (650, 65798), (668, 64025), (788, 54275), (835, 51220), (985, 43420), (1300, 32899), (1670, 25610), (1970, 21710), (2171, 19700), (2561, 16700), (3340, 12805), (3940, 10855), (4175, 10244), (4342, 9850), (4925, 8684), (5122, 8350)]