30813040

素因数分解:

$2^4\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1361}}^1$

素因数の和:1657

約数の個数: 40

約数和(自身を含む): 71946288

約数和(自身を除く): 41133248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 283, 566, 1132, 1361, 1415, 2264, 2722, 2830, 4528, 5444, 5660, 6805, 10888, 11320, 13610, 21776, 22640, 27220, 54440, 108880, 385163, 770326, 1540652, 1925815, 3081304, 3851630, 6162608, 7703260, 15406520, 30813040]

約数ペア:

[(1, 30813040), (2, 15406520), (4, 7703260), (5, 6162608), (8, 3851630), (10, 3081304), (16, 1925815), (20, 1540652), (40, 770326), (80, 385163), (283, 108880), (566, 54440), (1132, 27220), (1361, 22640), (1415, 21776), (2264, 13610), (2722, 11320), (2830, 10888), (4528, 6805), (5444, 5660)]