1313000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:135

約数の個数: 64

約数和(自身を含む): 3341520

約数和(自身を除く): 2028520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 101, 104, 125, 130, 200, 202, 250, 260, 325, 404, 500, 505, 520, 650, 808, 1000, 1010, 1300, 1313, 1625, 2020, 2525, 2600, 2626, 3250, 4040, 5050, 5252, 6500, 6565, 10100, 10504, 12625, 13000, 13130, 20200, 25250, 26260, 32825, 50500, 52520, 65650, 101000, 131300, 164125, 262600, 328250, 656500, 1313000]

約数ペア:

[(1, 1313000), (2, 656500), (4, 328250), (5, 262600), (8, 164125), (10, 131300), (13, 101000), (20, 65650), (25, 52520), (26, 50500), (40, 32825), (50, 26260), (52, 25250), (65, 20200), (100, 13130), (101, 13000), (104, 12625), (125, 10504), (130, 10100), (200, 6565), (202, 6500), (250, 5252), (260, 5050), (325, 4040), (404, 3250), (500, 2626), (505, 2600), (520, 2525), (650, 2020), (808, 1625), (1000, 1313), (1010, 1300)]