553668760

素因数分解:

$2^3\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{8539}}^1$

素因数の和:10171

約数の個数: 32

約数和(自身を含む): 1246669200

約数和(自身を除く): 693000440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1621, 3242, 6484, 8105, 8539, 12968, 16210, 17078, 32420, 34156, 42695, 64840, 68312, 85390, 170780, 341560, 13841719, 27683438, 55366876, 69208595, 110733752, 138417190, 276834380, 553668760]

約数ペア:

[(1, 553668760), (2, 276834380), (4, 138417190), (5, 110733752), (8, 69208595), (10, 55366876), (20, 27683438), (40, 13841719), (1621, 341560), (3242, 170780), (6484, 85390), (8105, 68312), (8539, 64840), (12968, 42695), (16210, 34156), (17078, 32420)]