79816720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52511}}^1$

素因数の和:52543

約数の個数: 40

約数和(自身を含む): 195344640

約数和(自身を除く): 115527920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 52511, 105022, 210044, 262555, 420088, 525110, 840176, 997709, 1050220, 1995418, 2100440, 3990836, 4200880, 4988545, 7981672, 9977090, 15963344, 19954180, 39908360, 79816720]

約数ペア:

[(1, 79816720), (2, 39908360), (4, 19954180), (5, 15963344), (8, 9977090), (10, 7981672), (16, 4988545), (19, 4200880), (20, 3990836), (38, 2100440), (40, 1995418), (76, 1050220), (80, 997709), (95, 840176), (152, 525110), (190, 420088), (304, 262555), (380, 210044), (760, 105022), (1520, 52511)]