8175440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1123}}^1$

素因数の和:1156

約数の個数: 80

約数和(自身を含む): 23415168

約数和(自身を除く): 15239728

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1123, 1456, 1820, 2246, 3640, 4492, 5615, 7280, 7861, 8984, 11230, 14599, 15722, 17968, 22460, 29198, 31444, 39305, 44920, 58396, 62888, 72995, 78610, 89840, 102193, 116792, 125776, 145990, 157220, 204386, 233584, 291980, 314440, 408772, 510965, 583960, 628880, 817544, 1021930, 1167920, 1635088, 2043860, 4087720, 8175440]

約数ペア:

[(1, 8175440), (2, 4087720), (4, 2043860), (5, 1635088), (7, 1167920), (8, 1021930), (10, 817544), (13, 628880), (14, 583960), (16, 510965), (20, 408772), (26, 314440), (28, 291980), (35, 233584), (40, 204386), (52, 157220), (56, 145990), (65, 125776), (70, 116792), (80, 102193), (91, 89840), (104, 78610), (112, 72995), (130, 62888), (140, 58396), (182, 44920), (208, 39305), (260, 31444), (280, 29198), (364, 22460), (455, 17968), (520, 15722), (560, 14599), (728, 11230), (910, 8984), (1040, 7861), (1123, 7280), (1456, 5615), (1820, 4492), (2246, 3640)]