87159340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{659}}^1$

素因数の和:1074

約数の個数: 48

約数和(自身を含む): 194594400

約数和(自身を除く): 107435060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 389, 659, 778, 1318, 1556, 1945, 2636, 3295, 3890, 6590, 6613, 7780, 11203, 13180, 13226, 22406, 26452, 33065, 44812, 56015, 66130, 112030, 132260, 224060, 256351, 512702, 1025404, 1281755, 2563510, 4357967, 5127020, 8715934, 17431868, 21789835, 43579670, 87159340]

約数ペア:

[(1, 87159340), (2, 43579670), (4, 21789835), (5, 17431868), (10, 8715934), (17, 5127020), (20, 4357967), (34, 2563510), (68, 1281755), (85, 1025404), (170, 512702), (340, 256351), (389, 224060), (659, 132260), (778, 112030), (1318, 66130), (1556, 56015), (1945, 44812), (2636, 33065), (3295, 26452), (3890, 22406), (6590, 13226), (6613, 13180), (7780, 11203)]