454128520

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{22571}}^1$

素因数の和:23085

約数の個数: 32

約数和(自身を含む): 1023865920

約数和(自身を除く): 569737400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 5030, 10060, 20120, 22571, 45142, 90284, 112855, 180568, 225710, 451420, 902840, 11353213, 22706426, 45412852, 56766065, 90825704, 113532130, 227064260, 454128520]

約数ペア:

[(1, 454128520), (2, 227064260), (4, 113532130), (5, 90825704), (8, 56766065), (10, 45412852), (20, 22706426), (40, 11353213), (503, 902840), (1006, 451420), (2012, 225710), (2515, 180568), (4024, 112855), (5030, 90284), (10060, 45142), (20120, 22571)]