39971140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 93844800

約数和(自身を除く): 53873660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 121, 166, 199, 220, 242, 332, 398, 415, 484, 605, 796, 830, 913, 995, 1210, 1660, 1826, 1990, 2189, 2420, 3652, 3980, 4378, 4565, 8756, 9130, 10043, 10945, 16517, 18260, 20086, 21890, 24079, 33034, 40172, 43780, 48158, 50215, 66068, 82585, 96316, 100430, 120395, 165170, 181687, 200860, 240790, 330340, 363374, 481580, 726748, 908435, 1816870, 1998557, 3633740, 3997114, 7994228, 9992785, 19985570, 39971140]

約数ペア:

[(1, 39971140), (2, 19985570), (4, 9992785), (5, 7994228), (10, 3997114), (11, 3633740), (20, 1998557), (22, 1816870), (44, 908435), (55, 726748), (83, 481580), (110, 363374), (121, 330340), (166, 240790), (199, 200860), (220, 181687), (242, 165170), (332, 120395), (398, 100430), (415, 96316), (484, 82585), (605, 66068), (796, 50215), (830, 48158), (913, 43780), (995, 40172), (1210, 33034), (1660, 24079), (1826, 21890), (1990, 20086), (2189, 18260), (2420, 16517), (3652, 10945), (3980, 10043), (4378, 9130), (4565, 8756)]