27440240

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5623}}^1$

素因数の和:5697

約数の個数: 40

約数和(自身を含む): 64855968

約数和(自身を除く): 37415728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 5623, 11246, 22492, 28115, 44984, 56230, 89968, 112460, 224920, 343003, 449840, 686006, 1372012, 1715015, 2744024, 3430030, 5488048, 6860060, 13720120, 27440240]

約数ペア:

[(1, 27440240), (2, 13720120), (4, 6860060), (5, 5488048), (8, 3430030), (10, 2744024), (16, 1715015), (20, 1372012), (40, 686006), (61, 449840), (80, 343003), (122, 224920), (244, 112460), (305, 89968), (488, 56230), (610, 44984), (976, 28115), (1220, 22492), (2440, 11246), (4880, 5623)]