201050000

素因数分解:

$2^4\times 5^5\times {\mathrm{4021}}^1$

素因数の和:4054

約数の個数: 60

約数和(自身を含む): 487007892

約数和(自身を除く): 285957892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 3125, 4021, 5000, 6250, 8042, 10000, 12500, 16084, 20105, 25000, 32168, 40210, 50000, 64336, 80420, 100525, 160840, 201050, 321680, 402100, 502625, 804200, 1005250, 1608400, 2010500, 2513125, 4021000, 5026250, 8042000, 10052500, 12565625, 20105000, 25131250, 40210000, 50262500, 100525000, 201050000]

約数ペア:

[(1, 201050000), (2, 100525000), (4, 50262500), (5, 40210000), (8, 25131250), (10, 20105000), (16, 12565625), (20, 10052500), (25, 8042000), (40, 5026250), (50, 4021000), (80, 2513125), (100, 2010500), (125, 1608400), (200, 1005250), (250, 804200), (400, 502625), (500, 402100), (625, 321680), (1000, 201050), (1250, 160840), (2000, 100525), (2500, 80420), (3125, 64336), (4021, 50000), (5000, 40210), (6250, 32168), (8042, 25000), (10000, 20105), (12500, 16084)]