51100240

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7177}}^1$

素因数の和:7279

約数の個数: 40

約数和(自身を含む): 120159720

約数和(自身を除く): 69059480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 7177, 14354, 28708, 35885, 57416, 71770, 114832, 143540, 287080, 574160, 638753, 1277506, 2555012, 3193765, 5110024, 6387530, 10220048, 12775060, 25550120, 51100240]

約数ペア:

[(1, 51100240), (2, 25550120), (4, 12775060), (5, 10220048), (8, 6387530), (10, 5110024), (16, 3193765), (20, 2555012), (40, 1277506), (80, 638753), (89, 574160), (178, 287080), (356, 143540), (445, 114832), (712, 71770), (890, 57416), (1424, 35885), (1780, 28708), (3560, 14354), (7120, 7177)]