40395786

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 89339520

約数和(自身を除く): 48943734

約数列:

[1, 2, 3, 6, 19, 37, 38, 57, 61, 74, 111, 114, 122, 157, 183, 222, 314, 366, 471, 703, 942, 1159, 1406, 2109, 2257, 2318, 2983, 3477, 4218, 4514, 5809, 5966, 6771, 6954, 8949, 9577, 11618, 13542, 17427, 17898, 19154, 28731, 34854, 42883, 57462, 85766, 110371, 128649, 181963, 220742, 257298, 331113, 354349, 363926, 545889, 662226, 708698, 1063047, 1091778, 2126094, 6732631, 13465262, 20197893, 40395786]

約数ペア:

[(1, 40395786), (2, 20197893), (3, 13465262), (6, 6732631), (19, 2126094), (37, 1091778), (38, 1063047), (57, 708698), (61, 662226), (74, 545889), (111, 363926), (114, 354349), (122, 331113), (157, 257298), (183, 220742), (222, 181963), (314, 128649), (366, 110371), (471, 85766), (703, 57462), (942, 42883), (1159, 34854), (1406, 28731), (2109, 19154), (2257, 17898), (2318, 17427), (2983, 13542), (3477, 11618), (4218, 9577), (4514, 8949), (5809, 6954), (5966, 6771)]