402217520

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{16063}}^1$

素因数の和:16389

約数の個数: 40

約数和(自身を含む): 938201856

約数和(自身を除く): 535984336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1252, 1565, 2504, 3130, 5008, 6260, 12520, 16063, 25040, 32126, 64252, 80315, 128504, 160630, 257008, 321260, 642520, 1285040, 5027719, 10055438, 20110876, 25138595, 40221752, 50277190, 80443504, 100554380, 201108760, 402217520]

約数ペア:

[(1, 402217520), (2, 201108760), (4, 100554380), (5, 80443504), (8, 50277190), (10, 40221752), (16, 25138595), (20, 20110876), (40, 10055438), (80, 5027719), (313, 1285040), (626, 642520), (1252, 321260), (1565, 257008), (2504, 160630), (3130, 128504), (5008, 80315), (6260, 64252), (12520, 32126), (16063, 25040)]