1980680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{293}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 4842180

約数和(自身を除く): 2861500

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 293, 338, 520, 586, 676, 845, 1172, 1352, 1465, 1690, 2344, 2930, 3380, 3809, 5860, 6760, 7618, 11720, 15236, 19045, 30472, 38090, 49517, 76180, 99034, 152360, 198068, 247585, 396136, 495170, 990340, 1980680]

約数ペア:

[(1, 1980680), (2, 990340), (4, 495170), (5, 396136), (8, 247585), (10, 198068), (13, 152360), (20, 99034), (26, 76180), (40, 49517), (52, 38090), (65, 30472), (104, 19045), (130, 15236), (169, 11720), (260, 7618), (293, 6760), (338, 5860), (520, 3809), (586, 3380), (676, 2930), (845, 2344), (1172, 1690), (1352, 1465)]