40196728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{857}}^1$

素因数の和:928

約数の個数: 64

約数和(自身を含む): 90810720

約数和(自身を除く): 50613992

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 41, 44, 52, 82, 88, 104, 143, 164, 286, 328, 451, 533, 572, 857, 902, 1066, 1144, 1714, 1804, 2132, 3428, 3608, 4264, 5863, 6856, 9427, 11141, 11726, 18854, 22282, 23452, 35137, 37708, 44564, 46904, 70274, 75416, 89128, 122551, 140548, 245102, 281096, 386507, 456781, 490204, 773014, 913562, 980408, 1546028, 1827124, 3092056, 3654248, 5024591, 10049182, 20098364, 40196728]

約数ペア:

[(1, 40196728), (2, 20098364), (4, 10049182), (8, 5024591), (11, 3654248), (13, 3092056), (22, 1827124), (26, 1546028), (41, 980408), (44, 913562), (52, 773014), (82, 490204), (88, 456781), (104, 386507), (143, 281096), (164, 245102), (286, 140548), (328, 122551), (451, 89128), (533, 75416), (572, 70274), (857, 46904), (902, 44564), (1066, 37708), (1144, 35137), (1714, 23452), (1804, 22282), (2132, 18854), (3428, 11726), (3608, 11141), (4264, 9427), (5863, 6856)]