26260000

素因数分解:

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

素因数の和:144

約数の個数: 120

約数和(自身を含む): 70261884

約数和(自身を除く): 44001884

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 101, 104, 125, 130, 160, 200, 202, 208, 250, 260, 325, 400, 404, 416, 500, 505, 520, 625, 650, 800, 808, 1000, 1010, 1040, 1250, 1300, 1313, 1616, 1625, 2000, 2020, 2080, 2500, 2525, 2600, 2626, 3232, 3250, 4000, 4040, 5000, 5050, 5200, 5252, 6500, 6565, 8080, 8125, 10000, 10100, 10400, 10504, 12625, 13000, 13130, 16160, 16250, 20000, 20200, 21008, 25250, 26000, 26260, 32500, 32825, 40400, 42016, 50500, 52000, 52520, 63125, 65000, 65650, 80800, 101000, 105040, 126250, 130000, 131300, 164125, 202000, 210080, 252500, 260000, 262600, 328250, 404000, 505000, 525200, 656500, 820625, 1010000, 1050400, 1313000, 1641250, 2020000, 2626000, 3282500, 5252000, 6565000, 13130000, 26260000]

約数ペア:

[(1, 26260000), (2, 13130000), (4, 6565000), (5, 5252000), (8, 3282500), (10, 2626000), (13, 2020000), (16, 1641250), (20, 1313000), (25, 1050400), (26, 1010000), (32, 820625), (40, 656500), (50, 525200), (52, 505000), (65, 404000), (80, 328250), (100, 262600), (101, 260000), (104, 252500), (125, 210080), (130, 202000), (160, 164125), (200, 131300), (202, 130000), (208, 126250), (250, 105040), (260, 101000), (325, 80800), (400, 65650), (404, 65000), (416, 63125), (500, 52520), (505, 52000), (520, 50500), (625, 42016), (650, 40400), (800, 32825), (808, 32500), (1000, 26260), (1010, 26000), (1040, 25250), (1250, 21008), (1300, 20200), (1313, 20000), (1616, 16250), (1625, 16160), (2000, 13130), (2020, 13000), (2080, 12625), (2500, 10504), (2525, 10400), (2600, 10100), (2626, 10000), (3232, 8125), (3250, 8080), (4000, 6565), (4040, 6500), (5000, 5252), (5050, 5200)]