125811290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 254741760

約数和(自身を除く): 128930470

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 89, 110, 142, 178, 181, 355, 362, 445, 710, 781, 890, 905, 979, 1562, 1810, 1958, 1991, 3905, 3982, 4895, 6319, 7810, 9790, 9955, 12638, 12851, 16109, 19910, 25702, 31595, 32218, 63190, 64255, 69509, 80545, 128510, 139018, 141361, 161090, 177199, 282722, 347545, 354398, 695090, 706805, 885995, 1143739, 1413610, 1771990, 2287478, 5718695, 11437390, 12581129, 25162258, 62905645, 125811290]

約数ペア:

[(1, 125811290), (2, 62905645), (5, 25162258), (10, 12581129), (11, 11437390), (22, 5718695), (55, 2287478), (71, 1771990), (89, 1413610), (110, 1143739), (142, 885995), (178, 706805), (181, 695090), (355, 354398), (362, 347545), (445, 282722), (710, 177199), (781, 161090), (890, 141361), (905, 139018), (979, 128510), (1562, 80545), (1810, 69509), (1958, 64255), (1991, 63190), (3905, 32218), (3982, 31595), (4895, 25702), (6319, 19910), (7810, 16109), (9790, 12851), (9955, 12638)]