40209820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{571}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 96864768

約数和(自身を除く): 56654948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 503, 571, 1006, 1142, 2012, 2284, 2515, 2855, 3521, 3997, 5030, 5710, 7042, 7994, 10060, 11420, 14084, 15988, 17605, 19985, 35210, 39970, 70420, 79940, 287213, 574426, 1148852, 1436065, 2010491, 2872130, 4020982, 5744260, 8041964, 10052455, 20104910, 40209820]

約数ペア:

[(1, 40209820), (2, 20104910), (4, 10052455), (5, 8041964), (7, 5744260), (10, 4020982), (14, 2872130), (20, 2010491), (28, 1436065), (35, 1148852), (70, 574426), (140, 287213), (503, 79940), (571, 70420), (1006, 39970), (1142, 35210), (2012, 19985), (2284, 17605), (2515, 15988), (2855, 14084), (3521, 11420), (3997, 10060), (5030, 7994), (5710, 7042)]