40256546360

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1\times {\mathrm{19961}}^1$

素因数の和:20496

約数の個数: 64

約数和(自身を含む): 91524971520

約数和(自身を除く): 51268425160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 397, 508, 635, 794, 1016, 1270, 1588, 1985, 2540, 3176, 3970, 5080, 7940, 15880, 19961, 39922, 50419, 79844, 99805, 100838, 159688, 199610, 201676, 252095, 399220, 403352, 504190, 798440, 1008380, 2016760, 2535047, 5070094, 7924517, 10140188, 12675235, 15849034, 20280376, 25350470, 31698068, 39622585, 50700940, 63396136, 79245170, 101401880, 158490340, 316980680, 1006413659, 2012827318, 4025654636, 5032068295, 8051309272, 10064136590, 20128273180, 40256546360]

約数ペア:

[(1, 40256546360), (2, 20128273180), (4, 10064136590), (5, 8051309272), (8, 5032068295), (10, 4025654636), (20, 2012827318), (40, 1006413659), (127, 316980680), (254, 158490340), (397, 101401880), (508, 79245170), (635, 63396136), (794, 50700940), (1016, 39622585), (1270, 31698068), (1588, 25350470), (1985, 20280376), (2540, 15849034), (3176, 12675235), (3970, 10140188), (5080, 7924517), (7940, 5070094), (15880, 2535047), (19961, 2016760), (39922, 1008380), (50419, 798440), (79844, 504190), (99805, 403352), (100838, 399220), (159688, 252095), (199610, 201676)]