18250880

素因数分解:

$2^7\times 5^1\times {\mathrm{28517}}^1$

素因数の和:28536

約数の個数: 32

約数和(自身を含む): 43632540

約数和(自身を除く): 25381660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 28517, 57034, 114068, 142585, 228136, 285170, 456272, 570340, 912544, 1140680, 1825088, 2281360, 3650176, 4562720, 9125440, 18250880]

約数ペア:

[(1, 18250880), (2, 9125440), (4, 4562720), (5, 3650176), (8, 2281360), (10, 1825088), (16, 1140680), (20, 912544), (32, 570340), (40, 456272), (64, 285170), (80, 228136), (128, 142585), (160, 114068), (320, 57034), (640, 28517)]