2799900160

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{35281}}^1$

素因数の和:35335

約数の個数: 80

約数和(自身を含む): 6929949312

約数和(自身を除く): 4130049152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 7936, 9920, 15872, 19840, 35281, 39680, 70562, 79360, 141124, 176405, 282248, 352810, 564496, 705620, 1093711, 1128992, 1411240, 2187422, 2257984, 2822480, 4374844, 4515968, 5468555, 5644960, 8749688, 9031936, 10937110, 11289920, 17499376, 18063872, 21874220, 22579840, 34998752, 43748440, 45159680, 69997504, 87496880, 90319360, 139995008, 174993760, 279990016, 349987520, 559980032, 699975040, 1399950080, 2799900160]

約数ペア:

[(1, 2799900160), (2, 1399950080), (4, 699975040), (5, 559980032), (8, 349987520), (10, 279990016), (16, 174993760), (20, 139995008), (31, 90319360), (32, 87496880), (40, 69997504), (62, 45159680), (64, 43748440), (80, 34998752), (124, 22579840), (128, 21874220), (155, 18063872), (160, 17499376), (248, 11289920), (256, 10937110), (310, 9031936), (320, 8749688), (496, 5644960), (512, 5468555), (620, 4515968), (640, 4374844), (992, 2822480), (1240, 2257984), (1280, 2187422), (1984, 1411240), (2480, 1128992), (2560, 1093711), (3968, 705620), (4960, 564496), (7936, 352810), (9920, 282248), (15872, 176405), (19840, 141124), (35281, 79360), (39680, 70562)]