26026390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:337

約数の個数: 64

約数和(自身を含む): 54613440

約数和(自身を除く): 28587050

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 41, 65, 82, 95, 130, 190, 205, 247, 257, 410, 494, 514, 533, 779, 1066, 1235, 1285, 1558, 2470, 2570, 2665, 3341, 3895, 4883, 5330, 6682, 7790, 9766, 10127, 10537, 16705, 20254, 21074, 24415, 33410, 48830, 50635, 52685, 63479, 101270, 105370, 126958, 136981, 200203, 273962, 317395, 400406, 634790, 684905, 1001015, 1369810, 2002030, 2602639, 5205278, 13013195, 26026390]

約数ペア:

[(1, 26026390), (2, 13013195), (5, 5205278), (10, 2602639), (13, 2002030), (19, 1369810), (26, 1001015), (38, 684905), (41, 634790), (65, 400406), (82, 317395), (95, 273962), (130, 200203), (190, 136981), (205, 126958), (247, 105370), (257, 101270), (410, 63479), (494, 52685), (514, 50635), (533, 48830), (779, 33410), (1066, 24415), (1235, 21074), (1285, 20254), (1558, 16705), (2470, 10537), (2570, 10127), (2665, 9766), (3341, 7790), (3895, 6682), (4883, 5330)]