101977520

素因数分解:

$2^4\times 5^1\times {\mathrm{1274719}}^1$

素因数の和:1274732

約数の個数: 20

約数和(自身を含む): 237097920

約数和(自身を除く): 135120400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1274719, 2549438, 5098876, 6373595, 10197752, 12747190, 20395504, 25494380, 50988760, 101977520]

約数ペア:

[(1, 101977520), (2, 50988760), (4, 25494380), (5, 20395504), (8, 12747190), (10, 10197752), (16, 6373595), (20, 5098876), (40, 2549438), (80, 1274719)]