165684740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{2423}}^1$

素因数の和:2708

約数の個数: 48

約数和(自身を含む): 376282368

約数和(自身を除く): 210597628

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263, 526, 1052, 1315, 2423, 2630, 3419, 4846, 5260, 6838, 9692, 12115, 13676, 17095, 24230, 31499, 34190, 48460, 62998, 68380, 125996, 157495, 314990, 629980, 637249, 1274498, 2548996, 3186245, 6372490, 8284237, 12744980, 16568474, 33136948, 41421185, 82842370, 165684740]

約数ペア:

[(1, 165684740), (2, 82842370), (4, 41421185), (5, 33136948), (10, 16568474), (13, 12744980), (20, 8284237), (26, 6372490), (52, 3186245), (65, 2548996), (130, 1274498), (260, 637249), (263, 629980), (526, 314990), (1052, 157495), (1315, 125996), (2423, 68380), (2630, 62998), (3419, 48460), (4846, 34190), (5260, 31499), (6838, 24230), (9692, 17095), (12115, 13676)]