52621000

素因数分解:

$2^3\times 5^3\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 124590960

約数和(自身を除く): 71969960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 125, 200, 202, 250, 404, 500, 505, 521, 808, 1000, 1010, 1042, 2020, 2084, 2525, 2605, 4040, 4168, 5050, 5210, 10100, 10420, 12625, 13025, 20200, 20840, 25250, 26050, 50500, 52100, 52621, 65125, 101000, 104200, 105242, 130250, 210484, 260500, 263105, 420968, 521000, 526210, 1052420, 1315525, 2104840, 2631050, 5262100, 6577625, 10524200, 13155250, 26310500, 52621000]

約数ペア:

[(1, 52621000), (2, 26310500), (4, 13155250), (5, 10524200), (8, 6577625), (10, 5262100), (20, 2631050), (25, 2104840), (40, 1315525), (50, 1052420), (100, 526210), (101, 521000), (125, 420968), (200, 263105), (202, 260500), (250, 210484), (404, 130250), (500, 105242), (505, 104200), (521, 101000), (808, 65125), (1000, 52621), (1010, 52100), (1042, 50500), (2020, 26050), (2084, 25250), (2525, 20840), (2605, 20200), (4040, 13025), (4168, 12625), (5050, 10420), (5210, 10100)]