42387280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{769}}^1$

素因数の和:848

約数の個数: 80

約数和(自身を含む): 108274320

約数和(自身を除く): 65887040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 53, 65, 80, 104, 106, 130, 208, 212, 260, 265, 424, 520, 530, 689, 769, 848, 1040, 1060, 1378, 1538, 2120, 2756, 3076, 3445, 3845, 4240, 5512, 6152, 6890, 7690, 9997, 11024, 12304, 13780, 15380, 19994, 27560, 30760, 39988, 40757, 49985, 55120, 61520, 79976, 81514, 99970, 159952, 163028, 199940, 203785, 326056, 399880, 407570, 529841, 652112, 799760, 815140, 1059682, 1630280, 2119364, 2649205, 3260560, 4238728, 5298410, 8477456, 10596820, 21193640, 42387280]

約数ペア:

[(1, 42387280), (2, 21193640), (4, 10596820), (5, 8477456), (8, 5298410), (10, 4238728), (13, 3260560), (16, 2649205), (20, 2119364), (26, 1630280), (40, 1059682), (52, 815140), (53, 799760), (65, 652112), (80, 529841), (104, 407570), (106, 399880), (130, 326056), (208, 203785), (212, 199940), (260, 163028), (265, 159952), (424, 99970), (520, 81514), (530, 79976), (689, 61520), (769, 55120), (848, 49985), (1040, 40757), (1060, 39988), (1378, 30760), (1538, 27560), (2120, 19994), (2756, 15380), (3076, 13780), (3445, 12304), (3845, 11024), (4240, 9997), (5512, 7690), (6152, 6890)]