220305280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26479}}^1$

素因数の和:26511

約数の個数: 64

約数和(自身を含む): 567201600

約数和(自身を除く): 346896320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 26479, 52958, 105916, 132395, 211832, 264790, 344227, 423664, 529580, 688454, 847328, 1059160, 1376908, 1694656, 1721135, 2118320, 2753816, 3389312, 3442270, 4236640, 5507632, 6884540, 8473280, 11015264, 13769080, 16946560, 22030528, 27538160, 44061056, 55076320, 110152640, 220305280]

約数ペア:

[(1, 220305280), (2, 110152640), (4, 55076320), (5, 44061056), (8, 27538160), (10, 22030528), (13, 16946560), (16, 13769080), (20, 11015264), (26, 8473280), (32, 6884540), (40, 5507632), (52, 4236640), (64, 3442270), (65, 3389312), (80, 2753816), (104, 2118320), (128, 1721135), (130, 1694656), (160, 1376908), (208, 1059160), (260, 847328), (320, 688454), (416, 529580), (520, 423664), (640, 344227), (832, 264790), (1040, 211832), (1664, 132395), (2080, 105916), (4160, 52958), (8320, 26479)]