127545860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{25819}}^1$

素因数の和:25860

約数の個数: 48

約数和(自身を含む): 303643200

約数和(自身を除く): 176097340

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 25819, 51638, 103276, 129095, 258190, 335647, 490561, 516380, 671294, 981122, 1342588, 1678235, 1962244, 2452805, 3356470, 4905610, 6377293, 6712940, 9811220, 12754586, 25509172, 31886465, 63772930, 127545860]

約数ペア:

[(1, 127545860), (2, 63772930), (4, 31886465), (5, 25509172), (10, 12754586), (13, 9811220), (19, 6712940), (20, 6377293), (26, 4905610), (38, 3356470), (52, 2452805), (65, 1962244), (76, 1678235), (95, 1342588), (130, 981122), (190, 671294), (247, 516380), (260, 490561), (380, 335647), (494, 258190), (988, 129095), (1235, 103276), (2470, 51638), (4940, 25819)]