7640000

素因数分解:

$2^6\times 5^4\times {\mathrm{191}}^1$

素因数の和:223

約数の個数: 70

約数和(自身を含む): 19043904

約数和(自身を除く): 11403904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 191, 200, 250, 320, 382, 400, 500, 625, 764, 800, 955, 1000, 1250, 1528, 1600, 1910, 2000, 2500, 3056, 3820, 4000, 4775, 5000, 6112, 7640, 8000, 9550, 10000, 12224, 15280, 19100, 20000, 23875, 30560, 38200, 40000, 47750, 61120, 76400, 95500, 119375, 152800, 191000, 238750, 305600, 382000, 477500, 764000, 955000, 1528000, 1910000, 3820000, 7640000]

約数ペア:

[(1, 7640000), (2, 3820000), (4, 1910000), (5, 1528000), (8, 955000), (10, 764000), (16, 477500), (20, 382000), (25, 305600), (32, 238750), (40, 191000), (50, 152800), (64, 119375), (80, 95500), (100, 76400), (125, 61120), (160, 47750), (191, 40000), (200, 38200), (250, 30560), (320, 23875), (382, 20000), (400, 19100), (500, 15280), (625, 12224), (764, 10000), (800, 9550), (955, 8000), (1000, 7640), (1250, 6112), (1528, 5000), (1600, 4775), (1910, 4000), (2000, 3820), (2500, 3056)]