8352020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 19084800

約数和(自身を除く): 10732780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 709, 1178, 1418, 2356, 2836, 2945, 3545, 5890, 7090, 11780, 13471, 14180, 21979, 26942, 43958, 53884, 67355, 87916, 109895, 134710, 219790, 269420, 417601, 439580, 835202, 1670404, 2088005, 4176010, 8352020]

約数ペア:

[(1, 8352020), (2, 4176010), (4, 2088005), (5, 1670404), (10, 835202), (19, 439580), (20, 417601), (31, 269420), (38, 219790), (62, 134710), (76, 109895), (95, 87916), (124, 67355), (155, 53884), (190, 43958), (310, 26942), (380, 21979), (589, 14180), (620, 13471), (709, 11780), (1178, 7090), (1418, 5890), (2356, 3545), (2836, 2945)]