26612920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^3\times {\mathrm{97}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 63856800

約数和(自身を除く): 37243880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 97, 152, 190, 194, 361, 380, 388, 485, 722, 760, 776, 970, 1444, 1805, 1843, 1940, 2888, 3610, 3686, 3880, 6859, 7220, 7372, 9215, 13718, 14440, 14744, 18430, 27436, 34295, 35017, 36860, 54872, 68590, 70034, 73720, 137180, 140068, 175085, 274360, 280136, 350170, 665323, 700340, 1330646, 1400680, 2661292, 3326615, 5322584, 6653230, 13306460, 26612920]

約数ペア:

[(1, 26612920), (2, 13306460), (4, 6653230), (5, 5322584), (8, 3326615), (10, 2661292), (19, 1400680), (20, 1330646), (38, 700340), (40, 665323), (76, 350170), (95, 280136), (97, 274360), (152, 175085), (190, 140068), (194, 137180), (361, 73720), (380, 70034), (388, 68590), (485, 54872), (722, 36860), (760, 35017), (776, 34295), (970, 27436), (1444, 18430), (1805, 14744), (1843, 14440), (1940, 13718), (2888, 9215), (3610, 7372), (3686, 7220), (3880, 6859)]