26325260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^2$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 63539280

約数和(自身を除く): 37214020

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 73, 76, 95, 130, 146, 190, 247, 260, 292, 365, 380, 494, 730, 949, 988, 1235, 1387, 1460, 1898, 2470, 2774, 3796, 4745, 4940, 5329, 5548, 6935, 9490, 10658, 13870, 18031, 18980, 21316, 26645, 27740, 36062, 53290, 69277, 72124, 90155, 101251, 106580, 138554, 180310, 202502, 277108, 346385, 360620, 405004, 506255, 692770, 1012510, 1316263, 1385540, 2025020, 2632526, 5265052, 6581315, 13162630, 26325260]

約数ペア:

[(1, 26325260), (2, 13162630), (4, 6581315), (5, 5265052), (10, 2632526), (13, 2025020), (19, 1385540), (20, 1316263), (26, 1012510), (38, 692770), (52, 506255), (65, 405004), (73, 360620), (76, 346385), (95, 277108), (130, 202502), (146, 180310), (190, 138554), (247, 106580), (260, 101251), (292, 90155), (365, 72124), (380, 69277), (494, 53290), (730, 36062), (949, 27740), (988, 26645), (1235, 21316), (1387, 18980), (1460, 18031), (1898, 13870), (2470, 10658), (2774, 9490), (3796, 6935), (4745, 5548), (4940, 5329)]