51097240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{461}}^1$

素因数の和:652

約数の個数: 64

約数和(自身を含む): 122744160

約数和(自身を除く): 71646920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 163, 170, 326, 340, 461, 652, 680, 815, 922, 1304, 1630, 1844, 2305, 2771, 3260, 3688, 4610, 5542, 6520, 7837, 9220, 11084, 13855, 15674, 18440, 22168, 27710, 31348, 39185, 55420, 62696, 75143, 78370, 110840, 150286, 156740, 300572, 313480, 375715, 601144, 751430, 1277431, 1502860, 2554862, 3005720, 5109724, 6387155, 10219448, 12774310, 25548620, 51097240]

約数ペア:

[(1, 51097240), (2, 25548620), (4, 12774310), (5, 10219448), (8, 6387155), (10, 5109724), (17, 3005720), (20, 2554862), (34, 1502860), (40, 1277431), (68, 751430), (85, 601144), (136, 375715), (163, 313480), (170, 300572), (326, 156740), (340, 150286), (461, 110840), (652, 78370), (680, 75143), (815, 62696), (922, 55420), (1304, 39185), (1630, 31348), (1844, 27710), (2305, 22168), (2771, 18440), (3260, 15674), (3688, 13855), (4610, 11084), (5542, 9220), (6520, 7837)]