20151400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{5303}}^1$

素因数の和:5338

約数の個数: 48

約数和(自身を含む): 49327200

約数和(自身を除く): 29175800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 5303, 10606, 21212, 26515, 42424, 53030, 100757, 106060, 132575, 201514, 212120, 265150, 403028, 503785, 530300, 806056, 1007570, 1060600, 2015140, 2518925, 4030280, 5037850, 10075700, 20151400]

約数ペア:

[(1, 20151400), (2, 10075700), (4, 5037850), (5, 4030280), (8, 2518925), (10, 2015140), (19, 1060600), (20, 1007570), (25, 806056), (38, 530300), (40, 503785), (50, 403028), (76, 265150), (95, 212120), (100, 201514), (152, 132575), (190, 106060), (200, 100757), (380, 53030), (475, 42424), (760, 26515), (950, 21212), (1900, 10606), (3800, 5303)]