1640840802080

素因数分解:

$2^5\times 5^1\times {\mathrm{10255255013}}^1$

素因数の和:10255255028

約数の個数: 24

約数和(自身を含む): 3876486395292

約数和(自身を除く): 2235645593212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 10255255013, 20510510026, 41021020052, 51276275065, 82042040104, 102552550130, 164084080208, 205105100260, 328168160416, 410210200520, 820420401040, 1640840802080]

約数ペア:

[(1, 1640840802080), (2, 820420401040), (4, 410210200520), (5, 328168160416), (8, 205105100260), (10, 164084080208), (16, 102552550130), (20, 82042040104), (32, 51276275065), (40, 41021020052), (80, 20510510026), (160, 10255255013)]