2018702920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3882121}}^1$

素因数の和:3882145

約数の個数: 32

約数和(自身を含む): 4891473720

約数和(自身を除く): 2872770800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3882121, 7764242, 15528484, 19410605, 31056968, 38821210, 50467573, 77642420, 100935146, 155284840, 201870292, 252337865, 403740584, 504675730, 1009351460, 2018702920]

約数ペア:

[(1, 2018702920), (2, 1009351460), (4, 504675730), (5, 403740584), (8, 252337865), (10, 201870292), (13, 155284840), (20, 100935146), (26, 77642420), (40, 50467573), (52, 38821210), (65, 31056968), (104, 19410605), (130, 15528484), (260, 7764242), (520, 3882121)]