3820000

素因数分解:

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

素因数の和:221

約数の個数: 60

約数和(自身を含む): 9446976

約数和(自身を除く): 5626976

約数列:

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

約数ペア:

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