2013225820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{13829}}^1$

素因数の和:14118

約数の個数: 48

約数和(自身を含む): 4391301600

約数和(自身を除く): 2378075780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 251, 290, 502, 580, 1004, 1255, 2510, 5020, 7279, 13829, 14558, 27658, 29116, 36395, 55316, 69145, 72790, 138290, 145580, 276580, 401041, 802082, 1604164, 2005205, 3471079, 4010410, 6942158, 8020820, 13884316, 17355395, 34710790, 69421580, 100661291, 201322582, 402645164, 503306455, 1006612910, 2013225820]

約数ペア:

[(1, 2013225820), (2, 1006612910), (4, 503306455), (5, 402645164), (10, 201322582), (20, 100661291), (29, 69421580), (58, 34710790), (116, 17355395), (145, 13884316), (251, 8020820), (290, 6942158), (502, 4010410), (580, 3471079), (1004, 2005205), (1255, 1604164), (2510, 802082), (5020, 401041), (7279, 276580), (13829, 145580), (14558, 138290), (27658, 72790), (29116, 69145), (36395, 55316)]