30865040

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1373}}^1$

素因数の和:1667

約数の個数: 40

約数和(自身を含む): 72069048

約数和(自身を除く): 41204008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1373, 1405, 2248, 2746, 2810, 4496, 5492, 5620, 6865, 10984, 11240, 13730, 21968, 22480, 27460, 54920, 109840, 385813, 771626, 1543252, 1929065, 3086504, 3858130, 6173008, 7716260, 15432520, 30865040]

約数ペア:

[(1, 30865040), (2, 15432520), (4, 7716260), (5, 6173008), (8, 3858130), (10, 3086504), (16, 1929065), (20, 1543252), (40, 771626), (80, 385813), (281, 109840), (562, 54920), (1124, 27460), (1373, 22480), (1405, 21968), (2248, 13730), (2746, 11240), (2810, 10984), (4496, 6865), (5492, 5620)]