2018797840

素因数分解:

$2^4\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{16063}}^1$

素因数の和:17647

約数の個数: 40

約数和(自身を含む): 4696985088

約数和(自身を除く): 2678187248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1571, 3142, 6284, 7855, 12568, 15710, 16063, 25136, 31420, 32126, 62840, 64252, 80315, 125680, 128504, 160630, 257008, 321260, 642520, 1285040, 25234973, 50469946, 100939892, 126174865, 201879784, 252349730, 403759568, 504699460, 1009398920, 2018797840]

約数ペア:

[(1, 2018797840), (2, 1009398920), (4, 504699460), (5, 403759568), (8, 252349730), (10, 201879784), (16, 126174865), (20, 100939892), (40, 50469946), (80, 25234973), (1571, 1285040), (3142, 642520), (6284, 321260), (7855, 257008), (12568, 160630), (15710, 128504), (16063, 125680), (25136, 80315), (31420, 64252), (32126, 62840)]