51369160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 122601600

約数和(自身を除く): 71232440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 257, 263, 380, 514, 526, 760, 1028, 1052, 1285, 1315, 2056, 2104, 2570, 2630, 4883, 4997, 5140, 5260, 9766, 9994, 10280, 10520, 19532, 19988, 24415, 24985, 39064, 39976, 48830, 49970, 67591, 97660, 99940, 135182, 195320, 199880, 270364, 337955, 540728, 675910, 1284229, 1351820, 2568458, 2703640, 5136916, 6421145, 10273832, 12842290, 25684580, 51369160]

約数ペア:

[(1, 51369160), (2, 25684580), (4, 12842290), (5, 10273832), (8, 6421145), (10, 5136916), (19, 2703640), (20, 2568458), (38, 1351820), (40, 1284229), (76, 675910), (95, 540728), (152, 337955), (190, 270364), (257, 199880), (263, 195320), (380, 135182), (514, 99940), (526, 97660), (760, 67591), (1028, 49970), (1052, 48830), (1285, 39976), (1315, 39064), (2056, 24985), (2104, 24415), (2570, 19988), (2630, 19532), (4883, 10520), (4997, 10280), (5140, 9994), (5260, 9766)]