2016383440

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{1063}}^1$

素因数の和:1388

約数の個数: 80

約数和(自身を含む): 4754445696

約数和(自身を除く): 2738062256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 181, 262, 362, 524, 655, 724, 905, 1048, 1063, 1310, 1448, 1810, 2096, 2126, 2620, 2896, 3620, 4252, 5240, 5315, 7240, 8504, 10480, 10630, 14480, 17008, 21260, 23711, 42520, 47422, 85040, 94844, 118555, 139253, 189688, 192403, 237110, 278506, 379376, 384806, 474220, 557012, 696265, 769612, 948440, 962015, 1114024, 1392530, 1539224, 1896880, 1924030, 2228048, 2785060, 3078448, 3848060, 5570120, 7696120, 11140240, 15392240, 25204793, 50409586, 100819172, 126023965, 201638344, 252047930, 403276688, 504095860, 1008191720, 2016383440]

約数ペア:

[(1, 2016383440), (2, 1008191720), (4, 504095860), (5, 403276688), (8, 252047930), (10, 201638344), (16, 126023965), (20, 100819172), (40, 50409586), (80, 25204793), (131, 15392240), (181, 11140240), (262, 7696120), (362, 5570120), (524, 3848060), (655, 3078448), (724, 2785060), (905, 2228048), (1048, 1924030), (1063, 1896880), (1310, 1539224), (1448, 1392530), (1810, 1114024), (2096, 962015), (2126, 948440), (2620, 769612), (2896, 696265), (3620, 557012), (4252, 474220), (5240, 384806), (5315, 379376), (7240, 278506), (8504, 237110), (10480, 192403), (10630, 189688), (14480, 139253), (17008, 118555), (21260, 94844), (23711, 85040), (42520, 47422)]