38913040

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1213}}^1$

素因数の和:1627

約数の個数: 40

約数和(自身を含む): 90773208

約数和(自身を除く): 51860168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 1213, 1604, 2005, 2426, 3208, 4010, 4852, 6065, 6416, 8020, 9704, 12130, 16040, 19408, 24260, 32080, 48520, 97040, 486413, 972826, 1945652, 2432065, 3891304, 4864130, 7782608, 9728260, 19456520, 38913040]

約数ペア:

[(1, 38913040), (2, 19456520), (4, 9728260), (5, 7782608), (8, 4864130), (10, 3891304), (16, 2432065), (20, 1945652), (40, 972826), (80, 486413), (401, 97040), (802, 48520), (1213, 32080), (1604, 24260), (2005, 19408), (2426, 16040), (3208, 12130), (4010, 9704), (4852, 8020), (6065, 6416)]