2017013840

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{347}}^1\times {\mathrm{643}}^1$

素因数の和:1116

約数の個数: 80

約数和(自身を含む): 4752070848

約数和(自身を除く): 2735057008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 347, 452, 565, 643, 694, 904, 1130, 1286, 1388, 1735, 1808, 2260, 2572, 2776, 3215, 3470, 4520, 5144, 5552, 6430, 6940, 9040, 10288, 12860, 13880, 25720, 27760, 39211, 51440, 72659, 78422, 145318, 156844, 196055, 223121, 290636, 313688, 363295, 392110, 446242, 581272, 627376, 726590, 784220, 892484, 1115605, 1162544, 1453180, 1568440, 1784968, 2231210, 2906360, 3136880, 3569936, 4462420, 5812720, 8924840, 17849680, 25212673, 50425346, 100850692, 126063365, 201701384, 252126730, 403402768, 504253460, 1008506920, 2017013840]

約数ペア:

[(1, 2017013840), (2, 1008506920), (4, 504253460), (5, 403402768), (8, 252126730), (10, 201701384), (16, 126063365), (20, 100850692), (40, 50425346), (80, 25212673), (113, 17849680), (226, 8924840), (347, 5812720), (452, 4462420), (565, 3569936), (643, 3136880), (694, 2906360), (904, 2231210), (1130, 1784968), (1286, 1568440), (1388, 1453180), (1735, 1162544), (1808, 1115605), (2260, 892484), (2572, 784220), (2776, 726590), (3215, 627376), (3470, 581272), (4520, 446242), (5144, 392110), (5552, 363295), (6430, 313688), (6940, 290636), (9040, 223121), (10288, 196055), (12860, 156844), (13880, 145318), (25720, 78422), (27760, 72659), (39211, 51440)]