205071200

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{8269}}^1$

素因数の和:8320

約数の個数: 72

約数和(自身を含む): 516841920

約数和(自身を除く): 311770720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 200, 248, 310, 400, 496, 620, 775, 800, 992, 1240, 1550, 2480, 3100, 4960, 6200, 8269, 12400, 16538, 24800, 33076, 41345, 66152, 82690, 132304, 165380, 206725, 256339, 264608, 330760, 413450, 512678, 661520, 826900, 1025356, 1281695, 1323040, 1653800, 2050712, 2563390, 3307600, 4101424, 5126780, 6408475, 6615200, 8202848, 10253560, 12816950, 20507120, 25633900, 41014240, 51267800, 102535600, 205071200]

約数ペア:

[(1, 205071200), (2, 102535600), (4, 51267800), (5, 41014240), (8, 25633900), (10, 20507120), (16, 12816950), (20, 10253560), (25, 8202848), (31, 6615200), (32, 6408475), (40, 5126780), (50, 4101424), (62, 3307600), (80, 2563390), (100, 2050712), (124, 1653800), (155, 1323040), (160, 1281695), (200, 1025356), (248, 826900), (310, 661520), (400, 512678), (496, 413450), (620, 330760), (775, 264608), (800, 256339), (992, 206725), (1240, 165380), (1550, 132304), (2480, 82690), (3100, 66152), (4960, 41345), (6200, 33076), (8269, 24800), (12400, 16538)]