26598440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1074

約数の個数: 64

約数和(自身を含む): 66424320

約数和(自身を除く): 39825880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 991, 1220, 1342, 1982, 2440, 2684, 3355, 3964, 4955, 5368, 6710, 7928, 9910, 10901, 13420, 19820, 21802, 26840, 39640, 43604, 54505, 60451, 87208, 109010, 120902, 218020, 241804, 302255, 436040, 483608, 604510, 664961, 1209020, 1329922, 2418040, 2659844, 3324805, 5319688, 6649610, 13299220, 26598440]

約数ペア:

[(1, 26598440), (2, 13299220), (4, 6649610), (5, 5319688), (8, 3324805), (10, 2659844), (11, 2418040), (20, 1329922), (22, 1209020), (40, 664961), (44, 604510), (55, 483608), (61, 436040), (88, 302255), (110, 241804), (122, 218020), (220, 120902), (244, 109010), (305, 87208), (440, 60451), (488, 54505), (610, 43604), (671, 39640), (991, 26840), (1220, 21802), (1342, 19820), (1982, 13420), (2440, 10901), (2684, 9910), (3355, 7928), (3964, 6710), (4955, 5368)]