12827800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2069}}^1$

素因数の和:2116

約数の個数: 48

約数和(自身を含む): 30801600

約数和(自身を除く): 17973800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 2069, 3100, 4138, 6200, 8276, 10345, 16552, 20690, 41380, 51725, 64139, 82760, 103450, 128278, 206900, 256556, 320695, 413800, 513112, 641390, 1282780, 1603475, 2565560, 3206950, 6413900, 12827800]

約数ペア:

[(1, 12827800), (2, 6413900), (4, 3206950), (5, 2565560), (8, 1603475), (10, 1282780), (20, 641390), (25, 513112), (31, 413800), (40, 320695), (50, 256556), (62, 206900), (100, 128278), (124, 103450), (155, 82760), (200, 64139), (248, 51725), (310, 41380), (620, 20690), (775, 16552), (1240, 10345), (1550, 8276), (2069, 6200), (3100, 4138)]