55388720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:462

約数の個数: 80

約数和(自身を含む): 137803680

約数和(自身を除く): 82414960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 139, 170, 272, 278, 293, 340, 556, 586, 680, 695, 1112, 1172, 1360, 1390, 1465, 2224, 2344, 2363, 2780, 2930, 4688, 4726, 4981, 5560, 5860, 9452, 9962, 11120, 11720, 11815, 18904, 19924, 23440, 23630, 24905, 37808, 39848, 40727, 47260, 49810, 79696, 81454, 94520, 99620, 162908, 189040, 199240, 203635, 325816, 398480, 407270, 651632, 692359, 814540, 1384718, 1629080, 2769436, 3258160, 3461795, 5538872, 6923590, 11077744, 13847180, 27694360, 55388720]

約数ペア:

[(1, 55388720), (2, 27694360), (4, 13847180), (5, 11077744), (8, 6923590), (10, 5538872), (16, 3461795), (17, 3258160), (20, 2769436), (34, 1629080), (40, 1384718), (68, 814540), (80, 692359), (85, 651632), (136, 407270), (139, 398480), (170, 325816), (272, 203635), (278, 199240), (293, 189040), (340, 162908), (556, 99620), (586, 94520), (680, 81454), (695, 79696), (1112, 49810), (1172, 47260), (1360, 40727), (1390, 39848), (1465, 37808), (2224, 24905), (2344, 23630), (2363, 23440), (2780, 19924), (2930, 18904), (4688, 11815), (4726, 11720), (4981, 11120), (5560, 9962), (5860, 9452)]