8680720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5711}}^1$

素因数の和:5743

約数の個数: 40

約数和(自身を含む): 21248640

約数和(自身を除く): 12567920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 5711, 11422, 22844, 28555, 45688, 57110, 91376, 108509, 114220, 217018, 228440, 434036, 456880, 542545, 868072, 1085090, 1736144, 2170180, 4340360, 8680720]

約数ペア:

[(1, 8680720), (2, 4340360), (4, 2170180), (5, 1736144), (8, 1085090), (10, 868072), (16, 542545), (19, 456880), (20, 434036), (38, 228440), (40, 217018), (76, 114220), (80, 108509), (95, 91376), (152, 57110), (190, 45688), (304, 28555), (380, 22844), (760, 11422), (1520, 5711)]