56398720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{12589}}^1$

素因数の和:12615

約数の個数: 64

約数和(自身を含む): 154101600

約数和(自身を除く): 97702880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 12589, 25178, 50356, 62945, 88123, 100712, 125890, 176246, 201424, 251780, 352492, 402848, 440615, 503560, 704984, 805696, 881230, 1007120, 1409968, 1611392, 1762460, 2014240, 2819936, 3524920, 4028480, 5639872, 7049840, 8056960, 11279744, 14099680, 28199360, 56398720]

約数ペア:

[(1, 56398720), (2, 28199360), (4, 14099680), (5, 11279744), (7, 8056960), (8, 7049840), (10, 5639872), (14, 4028480), (16, 3524920), (20, 2819936), (28, 2014240), (32, 1762460), (35, 1611392), (40, 1409968), (56, 1007120), (64, 881230), (70, 805696), (80, 704984), (112, 503560), (128, 440615), (140, 402848), (160, 352492), (224, 251780), (280, 201424), (320, 176246), (448, 125890), (560, 100712), (640, 88123), (896, 62945), (1120, 50356), (2240, 25178), (4480, 12589)]