25479740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 38870980

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 59, 65, 110, 118, 130, 143, 151, 220, 236, 260, 286, 295, 302, 572, 590, 604, 649, 715, 755, 767, 1180, 1298, 1430, 1510, 1534, 1661, 1963, 2596, 2860, 3020, 3068, 3245, 3322, 3835, 3926, 6490, 6644, 7670, 7852, 8305, 8437, 8909, 9815, 12980, 15340, 16610, 16874, 17818, 19630, 21593, 33220, 33748, 35636, 39260, 42185, 43186, 44545, 84370, 86372, 89090, 97999, 107965, 115817, 168740, 178180, 195998, 215930, 231634, 391996, 431860, 463268, 489995, 579085, 979990, 1158170, 1273987, 1959980, 2316340, 2547974, 5095948, 6369935, 12739870, 25479740]

約数ペア:

[(1, 25479740), (2, 12739870), (4, 6369935), (5, 5095948), (10, 2547974), (11, 2316340), (13, 1959980), (20, 1273987), (22, 1158170), (26, 979990), (44, 579085), (52, 489995), (55, 463268), (59, 431860), (65, 391996), (110, 231634), (118, 215930), (130, 195998), (143, 178180), (151, 168740), (220, 115817), (236, 107965), (260, 97999), (286, 89090), (295, 86372), (302, 84370), (572, 44545), (590, 43186), (604, 42185), (649, 39260), (715, 35636), (755, 33748), (767, 33220), (1180, 21593), (1298, 19630), (1430, 17818), (1510, 16874), (1534, 16610), (1661, 15340), (1963, 12980), (2596, 9815), (2860, 8909), (3020, 8437), (3068, 8305), (3245, 7852), (3322, 7670), (3835, 6644), (3926, 6490)]