13007200

素因数分解:

$2^5\times 5^2\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:320

約数の個数: 72

約数和(自身を含む): 32341680

約数和(自身を除く): 19334480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 80, 100, 142, 160, 200, 229, 284, 355, 400, 458, 568, 710, 800, 916, 1136, 1145, 1420, 1775, 1832, 2272, 2290, 2840, 3550, 3664, 4580, 5680, 5725, 7100, 7328, 9160, 11360, 11450, 14200, 16259, 18320, 22900, 28400, 32518, 36640, 45800, 56800, 65036, 81295, 91600, 130072, 162590, 183200, 260144, 325180, 406475, 520288, 650360, 812950, 1300720, 1625900, 2601440, 3251800, 6503600, 13007200]

約数ペア:

[(1, 13007200), (2, 6503600), (4, 3251800), (5, 2601440), (8, 1625900), (10, 1300720), (16, 812950), (20, 650360), (25, 520288), (32, 406475), (40, 325180), (50, 260144), (71, 183200), (80, 162590), (100, 130072), (142, 91600), (160, 81295), (200, 65036), (229, 56800), (284, 45800), (355, 36640), (400, 32518), (458, 28400), (568, 22900), (710, 18320), (800, 16259), (916, 14200), (1136, 11450), (1145, 11360), (1420, 9160), (1775, 7328), (1832, 7100), (2272, 5725), (2290, 5680), (2840, 4580), (3550, 3664)]