271320320

素因数分解:

$2^8\times 5^1\times {\mathrm{211969}}^1$

素因数の和:211990

約数の個数: 36

約数和(自身を含む): 649900020

約数和(自身を除く): 378579700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 211969, 423938, 847876, 1059845, 1695752, 2119690, 3391504, 4239380, 6783008, 8478760, 13566016, 16957520, 27132032, 33915040, 54264064, 67830080, 135660160, 271320320]

約数ペア:

[(1, 271320320), (2, 135660160), (4, 67830080), (5, 54264064), (8, 33915040), (10, 27132032), (16, 16957520), (20, 13566016), (32, 8478760), (40, 6783008), (64, 4239380), (80, 3391504), (128, 2119690), (160, 1695752), (256, 1059845), (320, 847876), (640, 423938), (1280, 211969)]