39038720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{4357}}^1$

素因数の和:4385

約数の個数: 72

約数和(自身を含む): 106893024

約数和(自身を除く): 67854304

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, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4357, 4480, 8714, 8960, 17428, 21785, 30499, 34856, 43570, 60998, 69712, 87140, 121996, 139424, 152495, 174280, 243992, 278848, 304990, 348560, 487984, 557696, 609980, 697120, 975968, 1115392, 1219960, 1394240, 1951936, 2439920, 2788480, 3903872, 4879840, 5576960, 7807744, 9759680, 19519360, 39038720]

約数ペア:

[(1, 39038720), (2, 19519360), (4, 9759680), (5, 7807744), (7, 5576960), (8, 4879840), (10, 3903872), (14, 2788480), (16, 2439920), (20, 1951936), (28, 1394240), (32, 1219960), (35, 1115392), (40, 975968), (56, 697120), (64, 609980), (70, 557696), (80, 487984), (112, 348560), (128, 304990), (140, 278848), (160, 243992), (224, 174280), (256, 152495), (280, 139424), (320, 121996), (448, 87140), (560, 69712), (640, 60998), (896, 43570), (1120, 34856), (1280, 30499), (1792, 21785), (2240, 17428), (4357, 8960), (4480, 8714)]