42979820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3119}}^1$

素因数の和:3194

約数の個数: 48

約数和(自身を含む): 99066240

約数和(自身を除く): 56086420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3119, 3445, 6238, 6890, 12476, 13780, 15595, 31190, 40547, 62380, 81094, 162188, 165307, 202735, 330614, 405470, 661228, 810940, 826535, 1653070, 2148991, 3306140, 4297982, 8595964, 10744955, 21489910, 42979820]

約数ペア:

[(1, 42979820), (2, 21489910), (4, 10744955), (5, 8595964), (10, 4297982), (13, 3306140), (20, 2148991), (26, 1653070), (52, 826535), (53, 810940), (65, 661228), (106, 405470), (130, 330614), (212, 202735), (260, 165307), (265, 162188), (530, 81094), (689, 62380), (1060, 40547), (1378, 31190), (2756, 15595), (3119, 13780), (3445, 12476), (6238, 6890)]