3917440

素因数分解:

$2^7\times 5^1\times {\mathrm{6121}}^1$

素因数の和:6140

約数の個数: 32

約数和(自身を含む): 9366660

約数和(自身を除く): 5449220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 6121, 12242, 24484, 30605, 48968, 61210, 97936, 122420, 195872, 244840, 391744, 489680, 783488, 979360, 1958720, 3917440]

約数ペア:

[(1, 3917440), (2, 1958720), (4, 979360), (5, 783488), (8, 489680), (10, 391744), (16, 244840), (20, 195872), (32, 122420), (40, 97936), (64, 61210), (80, 48968), (128, 30605), (160, 24484), (320, 12242), (640, 6121)]