38811760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:650

約数の個数: 80

約数和(自身を含む): 98806176

約数和(自身を除く): 59994416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 520, 536, 557, 670, 871, 1040, 1072, 1114, 1340, 1742, 2228, 2680, 2785, 3484, 4355, 4456, 5360, 5570, 6968, 7241, 8710, 8912, 11140, 13936, 14482, 17420, 22280, 28964, 34840, 36205, 37319, 44560, 57928, 69680, 72410, 74638, 115856, 144820, 149276, 186595, 289640, 298552, 373190, 485147, 579280, 597104, 746380, 970294, 1492760, 1940588, 2425735, 2985520, 3881176, 4851470, 7762352, 9702940, 19405880, 38811760]

約数ペア:

[(1, 38811760), (2, 19405880), (4, 9702940), (5, 7762352), (8, 4851470), (10, 3881176), (13, 2985520), (16, 2425735), (20, 1940588), (26, 1492760), (40, 970294), (52, 746380), (65, 597104), (67, 579280), (80, 485147), (104, 373190), (130, 298552), (134, 289640), (208, 186595), (260, 149276), (268, 144820), (335, 115856), (520, 74638), (536, 72410), (557, 69680), (670, 57928), (871, 44560), (1040, 37319), (1072, 36205), (1114, 34840), (1340, 28964), (1742, 22280), (2228, 17420), (2680, 14482), (2785, 13936), (3484, 11140), (4355, 8912), (4456, 8710), (5360, 7241), (5570, 6968)]