77021120

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21881}}^1$

素因数の和:21909

約数の個数: 56

約数和(自身を含む): 200089008

約数和(自身を除く): 123067888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 21881, 43762, 87524, 109405, 175048, 218810, 240691, 350096, 437620, 481382, 700192, 875240, 962764, 1203455, 1400384, 1750480, 1925528, 2406910, 3500960, 3851056, 4813820, 7001920, 7702112, 9627640, 15404224, 19255280, 38510560, 77021120]

約数ペア:

[(1, 77021120), (2, 38510560), (4, 19255280), (5, 15404224), (8, 9627640), (10, 7702112), (11, 7001920), (16, 4813820), (20, 3851056), (22, 3500960), (32, 2406910), (40, 1925528), (44, 1750480), (55, 1400384), (64, 1203455), (80, 962764), (88, 875240), (110, 700192), (160, 481382), (176, 437620), (220, 350096), (320, 240691), (352, 218810), (440, 175048), (704, 109405), (880, 87524), (1760, 43762), (3520, 21881)]