172666240

素因数分解:

$2^7\times 5^1\times {\mathrm{269791}}^1$

素因数の和:269810

約数の個数: 32

約数和(自身を含む): 412781760

約数和(自身を除く): 240115520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 269791, 539582, 1079164, 1348955, 2158328, 2697910, 4316656, 5395820, 8633312, 10791640, 17266624, 21583280, 34533248, 43166560, 86333120, 172666240]

約数ペア:

[(1, 172666240), (2, 86333120), (4, 43166560), (5, 34533248), (8, 21583280), (10, 17266624), (16, 10791640), (20, 8633312), (32, 5395820), (40, 4316656), (64, 2697910), (80, 2158328), (128, 1348955), (160, 1079164), (320, 539582), (640, 269791)]