1436240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1407

約数の個数: 40

約数和(自身を含む): 3598728

約数和(自身を除く): 2162488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1381, 2762, 5524, 6905, 11048, 13810, 17953, 22096, 27620, 35906, 55240, 71812, 89765, 110480, 143624, 179530, 287248, 359060, 718120, 1436240]

約数ペア:

[(1, 1436240), (2, 718120), (4, 359060), (5, 287248), (8, 179530), (10, 143624), (13, 110480), (16, 89765), (20, 71812), (26, 55240), (40, 35906), (52, 27620), (65, 22096), (80, 17953), (104, 13810), (130, 11048), (208, 6905), (260, 5524), (520, 2762), (1040, 1381)]