20624500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 51367680

約数和(自身を除く): 30743180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 125, 130, 167, 190, 247, 250, 260, 325, 334, 380, 475, 494, 500, 650, 668, 835, 950, 988, 1235, 1300, 1625, 1670, 1900, 2171, 2375, 2470, 3173, 3250, 3340, 4175, 4342, 4750, 4940, 6175, 6346, 6500, 8350, 8684, 9500, 10855, 12350, 12692, 15865, 16700, 20875, 21710, 24700, 30875, 31730, 41249, 41750, 43420, 54275, 61750, 63460, 79325, 82498, 83500, 108550, 123500, 158650, 164996, 206245, 217100, 271375, 317300, 396625, 412490, 542750, 793250, 824980, 1031225, 1085500, 1586500, 2062450, 4124900, 5156125, 10312250, 20624500]

約数ペア:

[(1, 20624500), (2, 10312250), (4, 5156125), (5, 4124900), (10, 2062450), (13, 1586500), (19, 1085500), (20, 1031225), (25, 824980), (26, 793250), (38, 542750), (50, 412490), (52, 396625), (65, 317300), (76, 271375), (95, 217100), (100, 206245), (125, 164996), (130, 158650), (167, 123500), (190, 108550), (247, 83500), (250, 82498), (260, 79325), (325, 63460), (334, 61750), (380, 54275), (475, 43420), (494, 41750), (500, 41249), (650, 31730), (668, 30875), (835, 24700), (950, 21710), (988, 20875), (1235, 16700), (1300, 15865), (1625, 12692), (1670, 12350), (1900, 10855), (2171, 9500), (2375, 8684), (2470, 8350), (3173, 6500), (3250, 6346), (3340, 6175), (4175, 4940), (4342, 4750)]