99681477320

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1213}}^1\times {\mathrm{20341}}^1$

素因数の和:21666

約数の個数: 64

約数和(自身を含む): 226701825840

約数和(自身を除く): 127020348520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 1213, 2020, 2426, 4040, 4852, 6065, 9704, 12130, 20341, 24260, 40682, 48520, 81364, 101705, 122513, 162728, 203410, 245026, 406820, 490052, 612565, 813640, 980104, 1225130, 2054441, 2450260, 4108882, 4900520, 8217764, 10272205, 16435528, 20544410, 24673633, 41088820, 49347266, 82177640, 98694532, 123368165, 197389064, 246736330, 493472660, 986945320, 2492036933, 4984073866, 9968147732, 12460184665, 19936295464, 24920369330, 49840738660, 99681477320]

約数ペア:

[(1, 99681477320), (2, 49840738660), (4, 24920369330), (5, 19936295464), (8, 12460184665), (10, 9968147732), (20, 4984073866), (40, 2492036933), (101, 986945320), (202, 493472660), (404, 246736330), (505, 197389064), (808, 123368165), (1010, 98694532), (1213, 82177640), (2020, 49347266), (2426, 41088820), (4040, 24673633), (4852, 20544410), (6065, 16435528), (9704, 10272205), (12130, 8217764), (20341, 4900520), (24260, 4108882), (40682, 2450260), (48520, 2054441), (81364, 1225130), (101705, 980104), (122513, 813640), (162728, 612565), (203410, 490052), (245026, 406820)]