30487040

素因数分解:

$2^9\times 5^1\times {\mathrm{11909}}^1$

素因数の和:11932

約数の個数: 40

約数和(自身を含む): 73103580

約数和(自身を除く): 42616540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 11909, 23818, 47636, 59545, 95272, 119090, 190544, 238180, 381088, 476360, 762176, 952720, 1524352, 1905440, 3048704, 3810880, 6097408, 7621760, 15243520, 30487040]

約数ペア:

[(1, 30487040), (2, 15243520), (4, 7621760), (5, 6097408), (8, 3810880), (10, 3048704), (16, 1905440), (20, 1524352), (32, 952720), (40, 762176), (64, 476360), (80, 381088), (128, 238180), (160, 190544), (256, 119090), (320, 95272), (512, 59545), (640, 47636), (1280, 23818), (2560, 11909)]