491568040

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{46727}}^1$

素因数の和:47001

約数の個数: 32

約数和(自身を含む): 1110257280

約数和(自身を除く): 618689240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 46727, 93454, 186908, 233635, 373816, 467270, 934540, 1869080, 12289201, 24578402, 49156804, 61446005, 98313608, 122892010, 245784020, 491568040]

約数ペア:

[(1, 491568040), (2, 245784020), (4, 122892010), (5, 98313608), (8, 61446005), (10, 49156804), (20, 24578402), (40, 12289201), (263, 1869080), (526, 934540), (1052, 467270), (1315, 373816), (2104, 233635), (2630, 186908), (5260, 93454), (10520, 46727)]