81742000

素因数分解:

$2^4\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1777}}^1$

素因数の和:1823

約数の個数: 80

約数和(自身を含む): 206361792

約数和(自身を除く): 124619792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 125, 184, 200, 230, 250, 368, 400, 460, 500, 575, 920, 1000, 1150, 1777, 1840, 2000, 2300, 2875, 3554, 4600, 5750, 7108, 8885, 9200, 11500, 14216, 17770, 23000, 28432, 35540, 40871, 44425, 46000, 71080, 81742, 88850, 142160, 163484, 177700, 204355, 222125, 326968, 355400, 408710, 444250, 653936, 710800, 817420, 888500, 1021775, 1634840, 1777000, 2043550, 3269680, 3554000, 4087100, 5108875, 8174200, 10217750, 16348400, 20435500, 40871000, 81742000]

約数ペア:

[(1, 81742000), (2, 40871000), (4, 20435500), (5, 16348400), (8, 10217750), (10, 8174200), (16, 5108875), (20, 4087100), (23, 3554000), (25, 3269680), (40, 2043550), (46, 1777000), (50, 1634840), (80, 1021775), (92, 888500), (100, 817420), (115, 710800), (125, 653936), (184, 444250), (200, 408710), (230, 355400), (250, 326968), (368, 222125), (400, 204355), (460, 177700), (500, 163484), (575, 142160), (920, 88850), (1000, 81742), (1150, 71080), (1777, 46000), (1840, 44425), (2000, 40871), (2300, 35540), (2875, 28432), (3554, 23000), (4600, 17770), (5750, 14216), (7108, 11500), (8885, 9200)]