28724800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1416

約数の個数: 84

約数和(自身を含む): 76173076

約数和(自身を除く): 47448276

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 650, 800, 832, 1040, 1300, 1381, 1600, 2080, 2600, 2762, 4160, 5200, 5524, 6905, 10400, 11048, 13810, 17953, 20800, 22096, 27620, 34525, 35906, 44192, 55240, 69050, 71812, 88384, 89765, 110480, 138100, 143624, 179530, 220960, 276200, 287248, 359060, 441920, 448825, 552400, 574496, 718120, 897650, 1104800, 1148992, 1436240, 1795300, 2209600, 2872480, 3590600, 5744960, 7181200, 14362400, 28724800]

約数ペア:

[(1, 28724800), (2, 14362400), (4, 7181200), (5, 5744960), (8, 3590600), (10, 2872480), (13, 2209600), (16, 1795300), (20, 1436240), (25, 1148992), (26, 1104800), (32, 897650), (40, 718120), (50, 574496), (52, 552400), (64, 448825), (65, 441920), (80, 359060), (100, 287248), (104, 276200), (130, 220960), (160, 179530), (200, 143624), (208, 138100), (260, 110480), (320, 89765), (325, 88384), (400, 71812), (416, 69050), (520, 55240), (650, 44192), (800, 35906), (832, 34525), (1040, 27620), (1300, 22096), (1381, 20800), (1600, 17953), (2080, 13810), (2600, 11048), (2762, 10400), (4160, 6905), (5200, 5524)]