2007135920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{11399}}^1$

素因数の和:11514

約数の個数: 80

約数和(自身を含む): 4885401600

約数和(自身を除く): 2878265680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 71, 80, 124, 142, 155, 248, 284, 310, 355, 496, 568, 620, 710, 1136, 1240, 1420, 2201, 2480, 2840, 4402, 5680, 8804, 11005, 11399, 17608, 22010, 22798, 35216, 44020, 45596, 56995, 88040, 91192, 113990, 176080, 182384, 227980, 353369, 455960, 706738, 809329, 911920, 1413476, 1618658, 1766845, 2826952, 3237316, 3533690, 4046645, 5653904, 6474632, 7067380, 8093290, 12949264, 14134760, 16186580, 25089199, 28269520, 32373160, 50178398, 64746320, 100356796, 125445995, 200713592, 250891990, 401427184, 501783980, 1003567960, 2007135920]

約数ペア:

[(1, 2007135920), (2, 1003567960), (4, 501783980), (5, 401427184), (8, 250891990), (10, 200713592), (16, 125445995), (20, 100356796), (31, 64746320), (40, 50178398), (62, 32373160), (71, 28269520), (80, 25089199), (124, 16186580), (142, 14134760), (155, 12949264), (248, 8093290), (284, 7067380), (310, 6474632), (355, 5653904), (496, 4046645), (568, 3533690), (620, 3237316), (710, 2826952), (1136, 1766845), (1240, 1618658), (1420, 1413476), (2201, 911920), (2480, 809329), (2840, 706738), (4402, 455960), (5680, 353369), (8804, 227980), (11005, 182384), (11399, 176080), (17608, 113990), (22010, 91192), (22798, 88040), (35216, 56995), (44020, 45596)]