16031780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 35259840

約数和(自身を除く): 19228060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 131, 145, 211, 262, 290, 422, 524, 580, 655, 844, 1055, 1310, 2110, 2620, 3799, 4220, 6119, 7598, 12238, 15196, 18995, 24476, 27641, 30595, 37990, 55282, 61190, 75980, 110564, 122380, 138205, 276410, 552820, 801589, 1603178, 3206356, 4007945, 8015890, 16031780]

約数ペア:

[(1, 16031780), (2, 8015890), (4, 4007945), (5, 3206356), (10, 1603178), (20, 801589), (29, 552820), (58, 276410), (116, 138205), (131, 122380), (145, 110564), (211, 75980), (262, 61190), (290, 55282), (422, 37990), (524, 30595), (580, 27641), (655, 24476), (844, 18995), (1055, 15196), (1310, 12238), (2110, 7598), (2620, 6119), (3799, 4220)]