54863920

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8681}}^1$

素因数の和:8773

約数の個数: 40

約数和(自身を含む): 129188160

約数和(自身を除く): 74324240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 8681, 17362, 34724, 43405, 69448, 86810, 138896, 173620, 347240, 685799, 694480, 1371598, 2743196, 3428995, 5486392, 6857990, 10972784, 13715980, 27431960, 54863920]

約数ペア:

[(1, 54863920), (2, 27431960), (4, 13715980), (5, 10972784), (8, 6857990), (10, 5486392), (16, 3428995), (20, 2743196), (40, 1371598), (79, 694480), (80, 685799), (158, 347240), (316, 173620), (395, 138896), (632, 86810), (790, 69448), (1264, 43405), (1580, 34724), (3160, 17362), (6320, 8681)]