64340840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{84659}}^1$

素因数の和:84689

約数の個数: 32

約数和(自身を含む): 152388000

約数和(自身を除く): 88047160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 84659, 169318, 338636, 423295, 677272, 846590, 1608521, 1693180, 3217042, 3386360, 6434084, 8042605, 12868168, 16085210, 32170420, 64340840]

約数ペア:

[(1, 64340840), (2, 32170420), (4, 16085210), (5, 12868168), (8, 8042605), (10, 6434084), (19, 3386360), (20, 3217042), (38, 1693180), (40, 1608521), (76, 846590), (95, 677272), (152, 423295), (190, 338636), (380, 169318), (760, 84659)]