39896320

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 97130880

約数和(自身を除く): 57234560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 256, 284, 320, 355, 439, 568, 640, 710, 878, 1136, 1280, 1420, 1756, 2195, 2272, 2840, 3512, 4390, 4544, 5680, 7024, 8780, 9088, 11360, 14048, 17560, 18176, 22720, 28096, 31169, 35120, 45440, 56192, 62338, 70240, 90880, 112384, 124676, 140480, 155845, 249352, 280960, 311690, 498704, 561920, 623380, 997408, 1246760, 1994816, 2493520, 3989632, 4987040, 7979264, 9974080, 19948160, 39896320]

約数ペア:

[(1, 39896320), (2, 19948160), (4, 9974080), (5, 7979264), (8, 4987040), (10, 3989632), (16, 2493520), (20, 1994816), (32, 1246760), (40, 997408), (64, 623380), (71, 561920), (80, 498704), (128, 311690), (142, 280960), (160, 249352), (256, 155845), (284, 140480), (320, 124676), (355, 112384), (439, 90880), (568, 70240), (640, 62338), (710, 56192), (878, 45440), (1136, 35120), (1280, 31169), (1420, 28096), (1756, 22720), (2195, 18176), (2272, 17560), (2840, 14048), (3512, 11360), (4390, 9088), (4544, 8780), (5680, 7024)]