26004040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 61493760

約数和(自身を除く): 35489720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 67, 124, 134, 155, 248, 268, 310, 313, 335, 536, 620, 626, 670, 1240, 1252, 1340, 1565, 2077, 2504, 2680, 3130, 4154, 6260, 8308, 9703, 10385, 12520, 16616, 19406, 20770, 20971, 38812, 41540, 41942, 48515, 77624, 83080, 83884, 97030, 104855, 167768, 194060, 209710, 388120, 419420, 650101, 838840, 1300202, 2600404, 3250505, 5200808, 6501010, 13002020, 26004040]

約数ペア:

[(1, 26004040), (2, 13002020), (4, 6501010), (5, 5200808), (8, 3250505), (10, 2600404), (20, 1300202), (31, 838840), (40, 650101), (62, 419420), (67, 388120), (124, 209710), (134, 194060), (155, 167768), (248, 104855), (268, 97030), (310, 83884), (313, 83080), (335, 77624), (536, 48515), (620, 41942), (626, 41540), (670, 38812), (1240, 20971), (1252, 20770), (1340, 19406), (1565, 16616), (2077, 12520), (2504, 10385), (2680, 9703), (3130, 8308), (4154, 6260)]