77910640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51257}}^1$

素因数の和:51289

約数の個数: 40

約数和(自身を含む): 190679760

約数和(自身を除く): 112769120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 51257, 102514, 205028, 256285, 410056, 512570, 820112, 973883, 1025140, 1947766, 2050280, 3895532, 4100560, 4869415, 7791064, 9738830, 15582128, 19477660, 38955320, 77910640]

約数ペア:

[(1, 77910640), (2, 38955320), (4, 19477660), (5, 15582128), (8, 9738830), (10, 7791064), (16, 4869415), (19, 4100560), (20, 3895532), (38, 2050280), (40, 1947766), (76, 1025140), (80, 973883), (95, 820112), (152, 512570), (190, 410056), (304, 256285), (380, 205028), (760, 102514), (1520, 51257)]