71770000

素因数分解:

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

素因数の和:7205

約数の個数: 50

約数和(自身を含む): 173786558

約数和(自身を除く): 102016558

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 7177, 10000, 14354, 28708, 35885, 57416, 71770, 114832, 143540, 179425, 287080, 358850, 574160, 717700, 897125, 1435400, 1794250, 2870800, 3588500, 4485625, 7177000, 8971250, 14354000, 17942500, 35885000, 71770000]

約数ペア:

[(1, 71770000), (2, 35885000), (4, 17942500), (5, 14354000), (8, 8971250), (10, 7177000), (16, 4485625), (20, 3588500), (25, 2870800), (40, 1794250), (50, 1435400), (80, 897125), (100, 717700), (125, 574160), (200, 358850), (250, 287080), (400, 179425), (500, 143540), (625, 114832), (1000, 71770), (1250, 57416), (2000, 35885), (2500, 28708), (5000, 14354), (7177, 10000)]