98650000

素因数分解:

$2^4\times 5^5\times {\mathrm{1973}}^1$

素因数の和:2006

約数の個数: 60

約数和(自身を含む): 239023764

約数和(自身を除く): 140373764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 1973, 2000, 2500, 3125, 3946, 5000, 6250, 7892, 9865, 10000, 12500, 15784, 19730, 25000, 31568, 39460, 49325, 50000, 78920, 98650, 157840, 197300, 246625, 394600, 493250, 789200, 986500, 1233125, 1973000, 2466250, 3946000, 4932500, 6165625, 9865000, 12331250, 19730000, 24662500, 49325000, 98650000]

約数ペア:

[(1, 98650000), (2, 49325000), (4, 24662500), (5, 19730000), (8, 12331250), (10, 9865000), (16, 6165625), (20, 4932500), (25, 3946000), (40, 2466250), (50, 1973000), (80, 1233125), (100, 986500), (125, 789200), (200, 493250), (250, 394600), (400, 246625), (500, 197300), (625, 157840), (1000, 98650), (1250, 78920), (1973, 50000), (2000, 49325), (2500, 39460), (3125, 31568), (3946, 25000), (5000, 19730), (6250, 15784), (7892, 12500), (9865, 10000)]