78854560

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25939}}^1$

素因数の和:25973

約数の個数: 48

約数和(自身を含む): 196106400

約数和(自身を除く): 117251840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 25939, 51878, 103756, 129695, 207512, 259390, 415024, 492841, 518780, 830048, 985682, 1037560, 1971364, 2075120, 2464205, 3942728, 4150240, 4928410, 7885456, 9856820, 15770912, 19713640, 39427280, 78854560]

約数ペア:

[(1, 78854560), (2, 39427280), (4, 19713640), (5, 15770912), (8, 9856820), (10, 7885456), (16, 4928410), (19, 4150240), (20, 3942728), (32, 2464205), (38, 2075120), (40, 1971364), (76, 1037560), (80, 985682), (95, 830048), (152, 518780), (160, 492841), (190, 415024), (304, 259390), (380, 207512), (608, 129695), (760, 103756), (1520, 51878), (3040, 25939)]