15204520

素因数分解:

$2^3\times 5^1\times {\mathrm{593}}^1\times {\mathrm{641}}^1$

素因数の和:1245

約数の個数: 32

約数和(自身を含む): 34321320

約数和(自身を除く): 19116800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 593, 641, 1186, 1282, 2372, 2564, 2965, 3205, 4744, 5128, 5930, 6410, 11860, 12820, 23720, 25640, 380113, 760226, 1520452, 1900565, 3040904, 3801130, 7602260, 15204520]

約数ペア:

[(1, 15204520), (2, 7602260), (4, 3801130), (5, 3040904), (8, 1900565), (10, 1520452), (20, 760226), (40, 380113), (593, 25640), (641, 23720), (1186, 12820), (1282, 11860), (2372, 6410), (2564, 5930), (2965, 5128), (3205, 4744)]