40789216

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1381}}^1$

素因数の和:1475

約数の個数: 48

約数和(自身を含む): 87762528

約数和(自身を除く): 46973312

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 71, 104, 142, 208, 284, 416, 568, 923, 1136, 1381, 1846, 2272, 2762, 3692, 5524, 7384, 11048, 14768, 17953, 22096, 29536, 35906, 44192, 71812, 98051, 143624, 196102, 287248, 392204, 574496, 784408, 1274663, 1568816, 2549326, 3137632, 5098652, 10197304, 20394608, 40789216]

約数ペア:

[(1, 40789216), (2, 20394608), (4, 10197304), (8, 5098652), (13, 3137632), (16, 2549326), (26, 1568816), (32, 1274663), (52, 784408), (71, 574496), (104, 392204), (142, 287248), (208, 196102), (284, 143624), (416, 98051), (568, 71812), (923, 44192), (1136, 35906), (1381, 29536), (1846, 22096), (2272, 17953), (2762, 14768), (3692, 11048), (5524, 7384)]