26718280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:814

約数の個数: 64

約数和(自身を含む): 64281600

約数和(自身を除く): 37563320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 743, 899, 1160, 1240, 1486, 1798, 2972, 3596, 3715, 4495, 5944, 7192, 7430, 8990, 14860, 17980, 21547, 23033, 29720, 35960, 43094, 46066, 86188, 92132, 107735, 115165, 172376, 184264, 215470, 230330, 430940, 460660, 667957, 861880, 921320, 1335914, 2671828, 3339785, 5343656, 6679570, 13359140, 26718280]

約数ペア:

[(1, 26718280), (2, 13359140), (4, 6679570), (5, 5343656), (8, 3339785), (10, 2671828), (20, 1335914), (29, 921320), (31, 861880), (40, 667957), (58, 460660), (62, 430940), (116, 230330), (124, 215470), (145, 184264), (155, 172376), (232, 115165), (248, 107735), (290, 92132), (310, 86188), (580, 46066), (620, 43094), (743, 35960), (899, 29720), (1160, 23033), (1240, 21547), (1486, 17980), (1798, 14860), (2972, 8990), (3596, 7430), (3715, 7192), (4495, 5944)]