42156760

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3889}}^1$

素因数の和:4171

約数の個数: 32

約数和(自身を含む): 95227200

約数和(自身を除く): 53070440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 3889, 5420, 7778, 10840, 15556, 19445, 31112, 38890, 77780, 155560, 1053919, 2107838, 4215676, 5269595, 8431352, 10539190, 21078380, 42156760]

約数ペア:

[(1, 42156760), (2, 21078380), (4, 10539190), (5, 8431352), (8, 5269595), (10, 4215676), (20, 2107838), (40, 1053919), (271, 155560), (542, 77780), (1084, 38890), (1355, 31112), (2168, 19445), (2710, 15556), (3889, 10840), (5420, 7778)]