85887490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{50821}}^1$

素因数の和:50854

約数の個数: 24

約数和(自身を含む): 167407668

約数和(自身を除く): 81520178

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 50821, 101642, 254105, 508210, 660673, 1321346, 3303365, 6606730, 8588749, 17177498, 42943745, 85887490]

約数ペア:

[(1, 85887490), (2, 42943745), (5, 17177498), (10, 8588749), (13, 6606730), (26, 3303365), (65, 1321346), (130, 660673), (169, 508210), (338, 254105), (845, 101642), (1690, 50821)]