42672640

素因数分解:

$2^9\times 5^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:313

約数の個数: 80

約数和(自身を含む): 104100480

約数和(自身を除く): 61427840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 211, 256, 316, 320, 395, 422, 512, 632, 640, 790, 844, 1055, 1264, 1280, 1580, 1688, 2110, 2528, 2560, 3160, 3376, 4220, 5056, 6320, 6752, 8440, 10112, 12640, 13504, 16669, 16880, 20224, 25280, 27008, 33338, 33760, 40448, 50560, 54016, 66676, 67520, 83345, 101120, 108032, 133352, 135040, 166690, 202240, 266704, 270080, 333380, 533408, 540160, 666760, 1066816, 1333520, 2133632, 2667040, 4267264, 5334080, 8534528, 10668160, 21336320, 42672640]

約数ペア:

[(1, 42672640), (2, 21336320), (4, 10668160), (5, 8534528), (8, 5334080), (10, 4267264), (16, 2667040), (20, 2133632), (32, 1333520), (40, 1066816), (64, 666760), (79, 540160), (80, 533408), (128, 333380), (158, 270080), (160, 266704), (211, 202240), (256, 166690), (316, 135040), (320, 133352), (395, 108032), (422, 101120), (512, 83345), (632, 67520), (640, 66676), (790, 54016), (844, 50560), (1055, 40448), (1264, 33760), (1280, 33338), (1580, 27008), (1688, 25280), (2110, 20224), (2528, 16880), (2560, 16669), (3160, 13504), (3376, 12640), (4220, 10112), (5056, 8440), (6320, 6752)]