26781700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:373

約数の個数: 72

約数和(自身を含む): 64308384

約数和(自身を除く): 37526684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 97, 100, 110, 194, 220, 251, 275, 388, 485, 502, 550, 970, 1004, 1067, 1100, 1255, 1940, 2134, 2425, 2510, 2761, 4268, 4850, 5020, 5335, 5522, 6275, 9700, 10670, 11044, 12550, 13805, 21340, 24347, 25100, 26675, 27610, 48694, 53350, 55220, 69025, 97388, 106700, 121735, 138050, 243470, 267817, 276100, 486940, 535634, 608675, 1071268, 1217350, 1339085, 2434700, 2678170, 5356340, 6695425, 13390850, 26781700]

約数ペア:

[(1, 26781700), (2, 13390850), (4, 6695425), (5, 5356340), (10, 2678170), (11, 2434700), (20, 1339085), (22, 1217350), (25, 1071268), (44, 608675), (50, 535634), (55, 486940), (97, 276100), (100, 267817), (110, 243470), (194, 138050), (220, 121735), (251, 106700), (275, 97388), (388, 69025), (485, 55220), (502, 53350), (550, 48694), (970, 27610), (1004, 26675), (1067, 25100), (1100, 24347), (1255, 21340), (1940, 13805), (2134, 12550), (2425, 11044), (2510, 10670), (2761, 9700), (4268, 6275), (4850, 5522), (5020, 5335)]