71372860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1301}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 162302112

約数和(自身を除く): 90929252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 844, 1055, 1301, 2110, 2602, 2743, 4220, 5204, 5486, 6505, 10972, 13010, 13715, 16913, 26020, 27430, 33826, 54860, 67652, 84565, 169130, 274511, 338260, 549022, 1098044, 1372555, 2745110, 3568643, 5490220, 7137286, 14274572, 17843215, 35686430, 71372860]

約数ペア:

[(1, 71372860), (2, 35686430), (4, 17843215), (5, 14274572), (10, 7137286), (13, 5490220), (20, 3568643), (26, 2745110), (52, 1372555), (65, 1098044), (130, 549022), (211, 338260), (260, 274511), (422, 169130), (844, 84565), (1055, 67652), (1301, 54860), (2110, 33826), (2602, 27430), (2743, 26020), (4220, 16913), (5204, 13715), (5486, 13010), (6505, 10972)]