19405600

素因数分解:

$2^5\times 5^2\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:338

約数の個数: 72

約数和(自身を含む): 47996928

約数和(自身を除く): 28591328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 127, 160, 191, 200, 254, 382, 400, 508, 635, 764, 800, 955, 1016, 1270, 1528, 1910, 2032, 2540, 3056, 3175, 3820, 4064, 4775, 5080, 6112, 6350, 7640, 9550, 10160, 12700, 15280, 19100, 20320, 24257, 25400, 30560, 38200, 48514, 50800, 76400, 97028, 101600, 121285, 152800, 194056, 242570, 388112, 485140, 606425, 776224, 970280, 1212850, 1940560, 2425700, 3881120, 4851400, 9702800, 19405600]

約数ペア:

[(1, 19405600), (2, 9702800), (4, 4851400), (5, 3881120), (8, 2425700), (10, 1940560), (16, 1212850), (20, 970280), (25, 776224), (32, 606425), (40, 485140), (50, 388112), (80, 242570), (100, 194056), (127, 152800), (160, 121285), (191, 101600), (200, 97028), (254, 76400), (382, 50800), (400, 48514), (508, 38200), (635, 30560), (764, 25400), (800, 24257), (955, 20320), (1016, 19100), (1270, 15280), (1528, 12700), (1910, 10160), (2032, 9550), (2540, 7640), (3056, 6350), (3175, 6112), (3820, 5080), (4064, 4775)]