8233820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{571}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 19987968

約数和(自身を除く): 11754148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 571, 721, 1030, 1142, 1442, 2060, 2284, 2855, 2884, 3605, 3997, 5710, 7210, 7994, 11420, 14420, 15988, 19985, 39970, 58813, 79940, 117626, 235252, 294065, 411691, 588130, 823382, 1176260, 1646764, 2058455, 4116910, 8233820]

約数ペア:

[(1, 8233820), (2, 4116910), (4, 2058455), (5, 1646764), (7, 1176260), (10, 823382), (14, 588130), (20, 411691), (28, 294065), (35, 235252), (70, 117626), (103, 79940), (140, 58813), (206, 39970), (412, 19985), (515, 15988), (571, 14420), (721, 11420), (1030, 7994), (1142, 7210), (1442, 5710), (2060, 3997), (2284, 3605), (2855, 2884)]