65561920

素因数分解:

$2^6\times 5^1\times {\mathrm{211}}^1\times {\mathrm{971}}^1$

素因数の和:1199

約数の個数: 56

約数和(自身を含む): 157020768

約数和(自身を除く): 91458848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 211, 320, 422, 844, 971, 1055, 1688, 1942, 2110, 3376, 3884, 4220, 4855, 6752, 7768, 8440, 9710, 13504, 15536, 16880, 19420, 31072, 33760, 38840, 62144, 67520, 77680, 155360, 204881, 310720, 409762, 819524, 1024405, 1639048, 2048810, 3278096, 4097620, 6556192, 8195240, 13112384, 16390480, 32780960, 65561920]

約数ペア:

[(1, 65561920), (2, 32780960), (4, 16390480), (5, 13112384), (8, 8195240), (10, 6556192), (16, 4097620), (20, 3278096), (32, 2048810), (40, 1639048), (64, 1024405), (80, 819524), (160, 409762), (211, 310720), (320, 204881), (422, 155360), (844, 77680), (971, 67520), (1055, 62144), (1688, 38840), (1942, 33760), (2110, 31072), (3376, 19420), (3884, 16880), (4220, 15536), (4855, 13504), (6752, 9710), (7768, 8440)]