42402560

素因数分解:

$2^8\times 5^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 102698736

約数和(自身を除く): 60296176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 211, 256, 314, 320, 422, 628, 640, 785, 844, 1055, 1256, 1280, 1570, 1688, 2110, 2512, 3140, 3376, 4220, 5024, 6280, 6752, 8440, 10048, 12560, 13504, 16880, 20096, 25120, 27008, 33127, 33760, 40192, 50240, 54016, 66254, 67520, 100480, 132508, 135040, 165635, 200960, 265016, 270080, 331270, 530032, 662540, 1060064, 1325080, 2120128, 2650160, 4240256, 5300320, 8480512, 10600640, 21201280, 42402560]

約数ペア:

[(1, 42402560), (2, 21201280), (4, 10600640), (5, 8480512), (8, 5300320), (10, 4240256), (16, 2650160), (20, 2120128), (32, 1325080), (40, 1060064), (64, 662540), (80, 530032), (128, 331270), (157, 270080), (160, 265016), (211, 200960), (256, 165635), (314, 135040), (320, 132508), (422, 100480), (628, 67520), (640, 66254), (785, 54016), (844, 50240), (1055, 40192), (1256, 33760), (1280, 33127), (1570, 27008), (1688, 25120), (2110, 20096), (2512, 16880), (3140, 13504), (3376, 12560), (4220, 10048), (5024, 8440), (6280, 6752)]