25290760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 62596800

約数和(自身を除く): 37306040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 229, 251, 440, 458, 502, 916, 1004, 1145, 1255, 1832, 2008, 2290, 2510, 2519, 2761, 4580, 5020, 5038, 5522, 9160, 10040, 10076, 11044, 12595, 13805, 20152, 22088, 25190, 27610, 50380, 55220, 57479, 100760, 110440, 114958, 229916, 287395, 459832, 574790, 632269, 1149580, 1264538, 2299160, 2529076, 3161345, 5058152, 6322690, 12645380, 25290760]

約数ペア:

[(1, 25290760), (2, 12645380), (4, 6322690), (5, 5058152), (8, 3161345), (10, 2529076), (11, 2299160), (20, 1264538), (22, 1149580), (40, 632269), (44, 574790), (55, 459832), (88, 287395), (110, 229916), (220, 114958), (229, 110440), (251, 100760), (440, 57479), (458, 55220), (502, 50380), (916, 27610), (1004, 25190), (1145, 22088), (1255, 20152), (1832, 13805), (2008, 12595), (2290, 11044), (2510, 10076), (2519, 10040), (2761, 9160), (4580, 5522), (5020, 5038)]