103400320

素因数分解:

$2^7\times 5^1\times {\mathrm{161563}}^1$

素因数の和:161582

約数の個数: 32

約数和(自身を含む): 247192920

約数和(自身を除く): 143792600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 161563, 323126, 646252, 807815, 1292504, 1615630, 2585008, 3231260, 5170016, 6462520, 10340032, 12925040, 20680064, 25850080, 51700160, 103400320]

約数ペア:

[(1, 103400320), (2, 51700160), (4, 25850080), (5, 20680064), (8, 12925040), (10, 10340032), (16, 6462520), (20, 5170016), (32, 3231260), (40, 2585008), (64, 1615630), (80, 1292504), (128, 807815), (160, 646252), (320, 323126), (640, 161563)]