201225320

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{6203}}^1$

素因数の和:7025

約数の個数: 32

約数和(自身を含む): 453388320

約数和(自身を除く): 252163000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 3244, 4055, 6203, 6488, 8110, 12406, 16220, 24812, 31015, 32440, 49624, 62030, 124060, 248120, 5030633, 10061266, 20122532, 25153165, 40245064, 50306330, 100612660, 201225320]

約数ペア:

[(1, 201225320), (2, 100612660), (4, 50306330), (5, 40245064), (8, 25153165), (10, 20122532), (20, 10061266), (40, 5030633), (811, 248120), (1622, 124060), (3244, 62030), (4055, 49624), (6203, 32440), (6488, 31015), (8110, 24812), (12406, 16220)]