10100000

素因数分解:

$2^5\times 5^5\times {\mathrm{101}}^1$

素因数の和:136

約数の個数: 72

約数和(自身を含む): 25099956

約数和(自身を除く): 14999956

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 101, 125, 160, 200, 202, 250, 400, 404, 500, 505, 625, 800, 808, 1000, 1010, 1250, 1616, 2000, 2020, 2500, 2525, 3125, 3232, 4000, 4040, 5000, 5050, 6250, 8080, 10000, 10100, 12500, 12625, 16160, 20000, 20200, 25000, 25250, 40400, 50000, 50500, 63125, 80800, 100000, 101000, 126250, 202000, 252500, 315625, 404000, 505000, 631250, 1010000, 1262500, 2020000, 2525000, 5050000, 10100000]

約数ペア:

[(1, 10100000), (2, 5050000), (4, 2525000), (5, 2020000), (8, 1262500), (10, 1010000), (16, 631250), (20, 505000), (25, 404000), (32, 315625), (40, 252500), (50, 202000), (80, 126250), (100, 101000), (101, 100000), (125, 80800), (160, 63125), (200, 50500), (202, 50000), (250, 40400), (400, 25250), (404, 25000), (500, 20200), (505, 20000), (625, 16160), (800, 12625), (808, 12500), (1000, 10100), (1010, 10000), (1250, 8080), (1616, 6250), (2000, 5050), (2020, 5000), (2500, 4040), (2525, 4000), (3125, 3232)]