520720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:319

約数の個数: 40

約数和(自身を含む): 1267776

約数和(自身を除く): 747056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 283, 368, 460, 566, 920, 1132, 1415, 1840, 2264, 2830, 4528, 5660, 6509, 11320, 13018, 22640, 26036, 32545, 52072, 65090, 104144, 130180, 260360, 520720]

約数ペア:

[(1, 520720), (2, 260360), (4, 130180), (5, 104144), (8, 65090), (10, 52072), (16, 32545), (20, 26036), (23, 22640), (40, 13018), (46, 11320), (80, 6509), (92, 5660), (115, 4528), (184, 2830), (230, 2264), (283, 1840), (368, 1415), (460, 1132), (566, 920)]