28328120320

素因数分解:

$2^{12}\times 5^1\times {\mathrm{1383209}}^1$

素因数の和:1383238

約数の個数: 52

約数和(自身を含む): 67979238660

約数和(自身を除く): 39651118340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 4096, 5120, 10240, 20480, 1383209, 2766418, 5532836, 6916045, 11065672, 13832090, 22131344, 27664180, 44262688, 55328360, 88525376, 110656720, 177050752, 221313440, 354101504, 442626880, 708203008, 885253760, 1416406016, 1770507520, 2832812032, 3541015040, 5665624064, 7082030080, 14164060160, 28328120320]

約数ペア:

[(1, 28328120320), (2, 14164060160), (4, 7082030080), (5, 5665624064), (8, 3541015040), (10, 2832812032), (16, 1770507520), (20, 1416406016), (32, 885253760), (40, 708203008), (64, 442626880), (80, 354101504), (128, 221313440), (160, 177050752), (256, 110656720), (320, 88525376), (512, 55328360), (640, 44262688), (1024, 27664180), (1280, 22131344), (2048, 13832090), (2560, 11065672), (4096, 6916045), (5120, 5532836), (10240, 2766418), (20480, 1383209)]