4891120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4703}}^1$

素因数の和:4729

約数の個数: 40

約数和(自身を含む): 12249216

約数和(自身を除く): 7358096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 4703, 9406, 18812, 23515, 37624, 47030, 61139, 75248, 94060, 122278, 188120, 244556, 305695, 376240, 489112, 611390, 978224, 1222780, 2445560, 4891120]

約数ペア:

[(1, 4891120), (2, 2445560), (4, 1222780), (5, 978224), (8, 611390), (10, 489112), (13, 376240), (16, 305695), (20, 244556), (26, 188120), (40, 122278), (52, 94060), (65, 75248), (80, 61139), (104, 47030), (130, 37624), (208, 23515), (260, 18812), (520, 9406), (1040, 4703)]