80158900

素因数分解:

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

素因数の和:385

約数の個数: 72

約数和(自身を含む): 182175840

約数和(自身を除く): 102016940

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 131, 145, 211, 262, 290, 422, 524, 580, 655, 725, 844, 1055, 1310, 1450, 2110, 2620, 2900, 3275, 3799, 4220, 5275, 6119, 6550, 7598, 10550, 12238, 13100, 15196, 18995, 21100, 24476, 27641, 30595, 37990, 55282, 61190, 75980, 94975, 110564, 122380, 138205, 152975, 189950, 276410, 305950, 379900, 552820, 611900, 691025, 801589, 1382050, 1603178, 2764100, 3206356, 4007945, 8015890, 16031780, 20039725, 40079450, 80158900]

約数ペア:

[(1, 80158900), (2, 40079450), (4, 20039725), (5, 16031780), (10, 8015890), (20, 4007945), (25, 3206356), (29, 2764100), (50, 1603178), (58, 1382050), (100, 801589), (116, 691025), (131, 611900), (145, 552820), (211, 379900), (262, 305950), (290, 276410), (422, 189950), (524, 152975), (580, 138205), (655, 122380), (725, 110564), (844, 94975), (1055, 75980), (1310, 61190), (1450, 55282), (2110, 37990), (2620, 30595), (2900, 27641), (3275, 24476), (3799, 21100), (4220, 18995), (5275, 15196), (6119, 13100), (6550, 12238), (7598, 10550)]