855760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:595

約数の個数: 40

約数和(自身を含む): 2098080

約数和(自身を除く): 1242320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 563, 760, 1126, 1520, 2252, 2815, 4504, 5630, 9008, 10697, 11260, 21394, 22520, 42788, 45040, 53485, 85576, 106970, 171152, 213940, 427880, 855760]

約数ペア:

[(1, 855760), (2, 427880), (4, 213940), (5, 171152), (8, 106970), (10, 85576), (16, 53485), (19, 45040), (20, 42788), (38, 22520), (40, 21394), (76, 11260), (80, 10697), (95, 9008), (152, 5630), (190, 4504), (304, 2815), (380, 2252), (563, 1520), (760, 1126)]