31207600

素因数分解:

$2^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1279}}^1$

素因数の和:1358

約数の個数: 60

約数和(自身を含む): 76264960

約数和(自身を除く): 45057360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 61, 80, 100, 122, 200, 244, 305, 400, 488, 610, 976, 1220, 1279, 1525, 2440, 2558, 3050, 4880, 5116, 6100, 6395, 10232, 12200, 12790, 20464, 24400, 25580, 31975, 51160, 63950, 78019, 102320, 127900, 156038, 255800, 312076, 390095, 511600, 624152, 780190, 1248304, 1560380, 1950475, 3120760, 3900950, 6241520, 7801900, 15603800, 31207600]

約数ペア:

[(1, 31207600), (2, 15603800), (4, 7801900), (5, 6241520), (8, 3900950), (10, 3120760), (16, 1950475), (20, 1560380), (25, 1248304), (40, 780190), (50, 624152), (61, 511600), (80, 390095), (100, 312076), (122, 255800), (200, 156038), (244, 127900), (305, 102320), (400, 78019), (488, 63950), (610, 51160), (976, 31975), (1220, 25580), (1279, 24400), (1525, 20464), (2440, 12790), (2558, 12200), (3050, 10232), (4880, 6395), (5116, 6100)]