26989840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10883}}^1$

素因数の和:10927

約数の個数: 40

約数和(自身を含む): 64781568

約数和(自身を除く): 37791728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 10883, 21766, 43532, 54415, 87064, 108830, 174128, 217660, 337373, 435320, 674746, 870640, 1349492, 1686865, 2698984, 3373730, 5397968, 6747460, 13494920, 26989840]

約数ペア:

[(1, 26989840), (2, 13494920), (4, 6747460), (5, 5397968), (8, 3373730), (10, 2698984), (16, 1686865), (20, 1349492), (31, 870640), (40, 674746), (62, 435320), (80, 337373), (124, 217660), (155, 174128), (248, 108830), (310, 87064), (496, 54415), (620, 43532), (1240, 21766), (2480, 10883)]