7872280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15139}}^1$

素因数の和:15163

約数の個数: 32

約数和(自身を含む): 19076400

約数和(自身を除く): 11204120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15139, 30278, 60556, 75695, 121112, 151390, 196807, 302780, 393614, 605560, 787228, 984035, 1574456, 1968070, 3936140, 7872280]

約数ペア:

[(1, 7872280), (2, 3936140), (4, 1968070), (5, 1574456), (8, 984035), (10, 787228), (13, 605560), (20, 393614), (26, 302780), (40, 196807), (52, 151390), (65, 121112), (104, 75695), (130, 60556), (260, 30278), (520, 15139)]