28844240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 71995392

約数和(自身を除く): 43151152

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 127, 136, 167, 170, 254, 272, 334, 340, 508, 635, 668, 680, 835, 1016, 1270, 1336, 1360, 1670, 2032, 2159, 2540, 2672, 2839, 3340, 4318, 5080, 5678, 6680, 8636, 10160, 10795, 11356, 13360, 14195, 17272, 21209, 21590, 22712, 28390, 34544, 42418, 43180, 45424, 56780, 84836, 86360, 106045, 113560, 169672, 172720, 212090, 227120, 339344, 360553, 424180, 721106, 848360, 1442212, 1696720, 1802765, 2884424, 3605530, 5768848, 7211060, 14422120, 28844240]

約数ペア:

[(1, 28844240), (2, 14422120), (4, 7211060), (5, 5768848), (8, 3605530), (10, 2884424), (16, 1802765), (17, 1696720), (20, 1442212), (34, 848360), (40, 721106), (68, 424180), (80, 360553), (85, 339344), (127, 227120), (136, 212090), (167, 172720), (170, 169672), (254, 113560), (272, 106045), (334, 86360), (340, 84836), (508, 56780), (635, 45424), (668, 43180), (680, 42418), (835, 34544), (1016, 28390), (1270, 22712), (1336, 21590), (1360, 21209), (1670, 17272), (2032, 14195), (2159, 13360), (2540, 11356), (2672, 10795), (2839, 10160), (3340, 8636), (4318, 6680), (5080, 5678)]