525200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:132

約数の個数: 60

約数和(自身を含む): 1372308

約数和(自身を除く): 847108

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 101, 104, 130, 200, 202, 208, 260, 325, 400, 404, 505, 520, 650, 808, 1010, 1040, 1300, 1313, 1616, 2020, 2525, 2600, 2626, 4040, 5050, 5200, 5252, 6565, 8080, 10100, 10504, 13130, 20200, 21008, 26260, 32825, 40400, 52520, 65650, 105040, 131300, 262600, 525200]

約数ペア:

[(1, 525200), (2, 262600), (4, 131300), (5, 105040), (8, 65650), (10, 52520), (13, 40400), (16, 32825), (20, 26260), (25, 21008), (26, 20200), (40, 13130), (50, 10504), (52, 10100), (65, 8080), (80, 6565), (100, 5252), (101, 5200), (104, 5050), (130, 4040), (200, 2626), (202, 2600), (208, 2525), (260, 2020), (325, 1616), (400, 1313), (404, 1300), (505, 1040), (520, 1010), (650, 808)]