125499520

素因数分解:

$2^7\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1249}}^1$

素因数の和:1425

約数の個数: 64

約数和(自身を含む): 302175000

約数和(自身を除く): 176675480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 314, 320, 628, 640, 785, 1249, 1256, 1570, 2498, 2512, 3140, 4996, 5024, 6245, 6280, 9992, 10048, 12490, 12560, 19984, 20096, 24980, 25120, 39968, 49960, 50240, 79936, 99920, 100480, 159872, 196093, 199840, 392186, 399680, 784372, 799360, 980465, 1568744, 1960930, 3137488, 3921860, 6274976, 7843720, 12549952, 15687440, 25099904, 31374880, 62749760, 125499520]

約数ペア:

[(1, 125499520), (2, 62749760), (4, 31374880), (5, 25099904), (8, 15687440), (10, 12549952), (16, 7843720), (20, 6274976), (32, 3921860), (40, 3137488), (64, 1960930), (80, 1568744), (128, 980465), (157, 799360), (160, 784372), (314, 399680), (320, 392186), (628, 199840), (640, 196093), (785, 159872), (1249, 100480), (1256, 99920), (1570, 79936), (2498, 50240), (2512, 49960), (3140, 39968), (4996, 25120), (5024, 24980), (6245, 20096), (6280, 19984), (9992, 12560), (10048, 12490)]