28258480

素因数分解:

$2^4\times 5^1\times {\mathrm{373}}^1\times {\mathrm{947}}^1$

素因数の和:1333

約数の個数: 40

約数和(自身を含む): 65946672

約数和(自身を除く): 37688192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 373, 746, 947, 1492, 1865, 1894, 2984, 3730, 3788, 4735, 5968, 7460, 7576, 9470, 14920, 15152, 18940, 29840, 37880, 75760, 353231, 706462, 1412924, 1766155, 2825848, 3532310, 5651696, 7064620, 14129240, 28258480]

約数ペア:

[(1, 28258480), (2, 14129240), (4, 7064620), (5, 5651696), (8, 3532310), (10, 2825848), (16, 1766155), (20, 1412924), (40, 706462), (80, 353231), (373, 75760), (746, 37880), (947, 29840), (1492, 18940), (1865, 15152), (1894, 14920), (2984, 9470), (3730, 7576), (3788, 7460), (4735, 5968)]