2013205100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{649421}}^1$

素因数の和:649466

約数の個数: 36

約数和(自身を含む): 4509586368

約数和(自身を除く): 2496381268

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 649421, 1298842, 2597684, 3247105, 6494210, 12988420, 16235525, 20132051, 32471050, 40264102, 64942100, 80528204, 100660255, 201320510, 402641020, 503301275, 1006602550, 2013205100]

約数ペア:

[(1, 2013205100), (2, 1006602550), (4, 503301275), (5, 402641020), (10, 201320510), (20, 100660255), (25, 80528204), (31, 64942100), (50, 40264102), (62, 32471050), (100, 20132051), (124, 16235525), (155, 12988420), (310, 6494210), (620, 3247105), (775, 2597684), (1550, 1298842), (3100, 649421)]