28741000

素因数分解:

$2^3\times 5^3\times {\mathrm{41}}^1\times {\mathrm{701}}^1$

素因数の和:763

約数の個数: 64

約数和(自身を含む): 68992560

約数和(自身を除く): 40251560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 250, 328, 410, 500, 701, 820, 1000, 1025, 1402, 1640, 2050, 2804, 3505, 4100, 5125, 5608, 7010, 8200, 10250, 14020, 17525, 20500, 28040, 28741, 35050, 41000, 57482, 70100, 87625, 114964, 140200, 143705, 175250, 229928, 287410, 350500, 574820, 701000, 718525, 1149640, 1437050, 2874100, 3592625, 5748200, 7185250, 14370500, 28741000]

約数ペア:

[(1, 28741000), (2, 14370500), (4, 7185250), (5, 5748200), (8, 3592625), (10, 2874100), (20, 1437050), (25, 1149640), (40, 718525), (41, 701000), (50, 574820), (82, 350500), (100, 287410), (125, 229928), (164, 175250), (200, 143705), (205, 140200), (250, 114964), (328, 87625), (410, 70100), (500, 57482), (701, 41000), (820, 35050), (1000, 28741), (1025, 28040), (1402, 20500), (1640, 17525), (2050, 14020), (2804, 10250), (3505, 8200), (4100, 7010), (5125, 5608)]