200320

素因数分解:

$2^7\times 5^1\times {\mathrm{313}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 480420

約数和(自身を除く): 280100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 313, 320, 626, 640, 1252, 1565, 2504, 3130, 5008, 6260, 10016, 12520, 20032, 25040, 40064, 50080, 100160, 200320]

約数ペア:

[(1, 200320), (2, 100160), (4, 50080), (5, 40064), (8, 25040), (10, 20032), (16, 12520), (20, 10016), (32, 6260), (40, 5008), (64, 3130), (80, 2504), (128, 1565), (160, 1252), (313, 640), (320, 626)]