2013121040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1607}}^1\times {\mathrm{2237}}^1$

素因数の和:3864

約数の個数: 80

約数和(自身を含む): 5354871552

約数和(自身を除く): 3341750512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1607, 2237, 3214, 4474, 6428, 8035, 8948, 11185, 11249, 12856, 15659, 16070, 17896, 22370, 22498, 25712, 31318, 32140, 35792, 44740, 44996, 56245, 62636, 64280, 78295, 89480, 89992, 112490, 125272, 128560, 156590, 178960, 179984, 224980, 250544, 313180, 449960, 626360, 899920, 1252720, 3594859, 7189718, 14379436, 17974295, 25164013, 28758872, 35948590, 50328026, 57517744, 71897180, 100656052, 125820065, 143794360, 201312104, 251640130, 287588720, 402624208, 503280260, 1006560520, 2013121040]

約数ペア:

[(1, 2013121040), (2, 1006560520), (4, 503280260), (5, 402624208), (7, 287588720), (8, 251640130), (10, 201312104), (14, 143794360), (16, 125820065), (20, 100656052), (28, 71897180), (35, 57517744), (40, 50328026), (56, 35948590), (70, 28758872), (80, 25164013), (112, 17974295), (140, 14379436), (280, 7189718), (560, 3594859), (1607, 1252720), (2237, 899920), (3214, 626360), (4474, 449960), (6428, 313180), (8035, 250544), (8948, 224980), (11185, 179984), (11249, 178960), (12856, 156590), (15659, 128560), (16070, 125272), (17896, 112490), (22370, 89992), (22498, 89480), (25712, 78295), (31318, 64280), (32140, 62636), (35792, 56245), (44740, 44996)]