18250240

素因数分解:

$2^9\times 5^1\times {\mathrm{7129}}^1$

素因数の和:7152

約数の個数: 40

約数和(自身を含む): 43763940

約数和(自身を除く): 25513700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7129, 14258, 28516, 35645, 57032, 71290, 114064, 142580, 228128, 285160, 456256, 570320, 912512, 1140640, 1825024, 2281280, 3650048, 4562560, 9125120, 18250240]

約数ペア:

[(1, 18250240), (2, 9125120), (4, 4562560), (5, 3650048), (8, 2281280), (10, 1825024), (16, 1140640), (20, 912512), (32, 570320), (40, 456256), (64, 285160), (80, 228128), (128, 142580), (160, 114064), (256, 71290), (320, 57032), (512, 35645), (640, 28516), (1280, 14258), (2560, 7129)]