12640003712

素因数分解:

$2^7\times 7^1\times {\mathrm{463}}^1\times {\mathrm{30469}}^1$

素因数の和:30953

約数の個数: 64

約数和(自身を含む): 28841683200

約数和(自身を除く): 16201679488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 463, 896, 926, 1852, 3241, 3704, 6482, 7408, 12964, 14816, 25928, 29632, 30469, 51856, 59264, 60938, 103712, 121876, 207424, 213283, 243752, 414848, 426566, 487504, 853132, 975008, 1706264, 1950016, 3412528, 3900032, 6825056, 13650112, 14107147, 27300224, 28214294, 56428588, 98750029, 112857176, 197500058, 225714352, 395000116, 451428704, 790000232, 902857408, 1580000464, 1805714816, 3160000928, 6320001856, 12640003712]

約数ペア:

[(1, 12640003712), (2, 6320001856), (4, 3160000928), (7, 1805714816), (8, 1580000464), (14, 902857408), (16, 790000232), (28, 451428704), (32, 395000116), (56, 225714352), (64, 197500058), (112, 112857176), (128, 98750029), (224, 56428588), (448, 28214294), (463, 27300224), (896, 14107147), (926, 13650112), (1852, 6825056), (3241, 3900032), (3704, 3412528), (6482, 1950016), (7408, 1706264), (12964, 975008), (14816, 853132), (25928, 487504), (29632, 426566), (30469, 414848), (51856, 243752), (59264, 213283), (60938, 207424), (103712, 121876)]