2004017920

素因数分解:

$2^8\times 5^1\times {\mathrm{263}}^1\times {\mathrm{5953}}^1$

素因数の和:6237

約数の個数: 72

約数和(自身を含む): 4819310496

約数和(自身を除く): 2815292576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 263, 320, 526, 640, 1052, 1280, 1315, 2104, 2630, 4208, 5260, 5953, 8416, 10520, 11906, 16832, 21040, 23812, 29765, 33664, 42080, 47624, 59530, 67328, 84160, 95248, 119060, 168320, 190496, 238120, 336640, 380992, 476240, 761984, 952480, 1523968, 1565639, 1904960, 3131278, 3809920, 6262556, 7619840, 7828195, 12525112, 15656390, 25050224, 31312780, 50100448, 62625560, 100200896, 125251120, 200401792, 250502240, 400803584, 501004480, 1002008960, 2004017920]

約数ペア:

[(1, 2004017920), (2, 1002008960), (4, 501004480), (5, 400803584), (8, 250502240), (10, 200401792), (16, 125251120), (20, 100200896), (32, 62625560), (40, 50100448), (64, 31312780), (80, 25050224), (128, 15656390), (160, 12525112), (256, 7828195), (263, 7619840), (320, 6262556), (526, 3809920), (640, 3131278), (1052, 1904960), (1280, 1565639), (1315, 1523968), (2104, 952480), (2630, 761984), (4208, 476240), (5260, 380992), (5953, 336640), (8416, 238120), (10520, 190496), (11906, 168320), (16832, 119060), (21040, 95248), (23812, 84160), (29765, 67328), (33664, 59530), (42080, 47624)]