51244720

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3539}}^1$

素因数の和:3733

約数の個数: 40

約数和(自身を含む): 119836080

約数和(自身を除く): 68591360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3539, 3620, 7078, 7240, 14156, 14480, 17695, 28312, 35390, 56624, 70780, 141560, 283120, 640559, 1281118, 2562236, 3202795, 5124472, 6405590, 10248944, 12811180, 25622360, 51244720]

約数ペア:

[(1, 51244720), (2, 25622360), (4, 12811180), (5, 10248944), (8, 6405590), (10, 5124472), (16, 3202795), (20, 2562236), (40, 1281118), (80, 640559), (181, 283120), (362, 141560), (724, 70780), (905, 56624), (1448, 35390), (1810, 28312), (2896, 17695), (3539, 14480), (3620, 14156), (7078, 7240)]