28880060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{523}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 66552192

約数和(自身を除く): 37672132

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 251, 502, 523, 1004, 1046, 1255, 2092, 2510, 2615, 2761, 5020, 5230, 5522, 5753, 10460, 11044, 11506, 13805, 23012, 27610, 28765, 55220, 57530, 115060, 131273, 262546, 525092, 656365, 1312730, 1444003, 2625460, 2888006, 5776012, 7220015, 14440030, 28880060]

約数ペア:

[(1, 28880060), (2, 14440030), (4, 7220015), (5, 5776012), (10, 2888006), (11, 2625460), (20, 1444003), (22, 1312730), (44, 656365), (55, 525092), (110, 262546), (220, 131273), (251, 115060), (502, 57530), (523, 55220), (1004, 28765), (1046, 27610), (1255, 23012), (2092, 13805), (2510, 11506), (2615, 11044), (2761, 10460), (5020, 5753), (5230, 5522)]