323750920

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{16091}}^1$

素因数の和:16605

約数の個数: 32

約数和(自身を含む): 729933120

約数和(自身を除く): 406182200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 5030, 10060, 16091, 20120, 32182, 64364, 80455, 128728, 160910, 321820, 643640, 8093773, 16187546, 32375092, 40468865, 64750184, 80937730, 161875460, 323750920]

約数ペア:

[(1, 323750920), (2, 161875460), (4, 80937730), (5, 64750184), (8, 40468865), (10, 32375092), (20, 16187546), (40, 8093773), (503, 643640), (1006, 321820), (2012, 160910), (2515, 128728), (4024, 80455), (5030, 64364), (10060, 32182), (16091, 20120)]