13389680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1$

素因数の和:438

約数の個数: 80

約数和(自身を含む): 34283520

約数和(自身を除く): 20893840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 383, 437, 460, 760, 766, 874, 920, 1520, 1532, 1748, 1840, 1915, 2185, 3064, 3496, 3830, 4370, 6128, 6992, 7277, 7660, 8740, 8809, 14554, 15320, 17480, 17618, 29108, 30640, 34960, 35236, 36385, 44045, 58216, 70472, 72770, 88090, 116432, 140944, 145540, 167371, 176180, 291080, 334742, 352360, 582160, 669484, 704720, 836855, 1338968, 1673710, 2677936, 3347420, 6694840, 13389680]

約数ペア:

[(1, 13389680), (2, 6694840), (4, 3347420), (5, 2677936), (8, 1673710), (10, 1338968), (16, 836855), (19, 704720), (20, 669484), (23, 582160), (38, 352360), (40, 334742), (46, 291080), (76, 176180), (80, 167371), (92, 145540), (95, 140944), (115, 116432), (152, 88090), (184, 72770), (190, 70472), (230, 58216), (304, 44045), (368, 36385), (380, 35236), (383, 34960), (437, 30640), (460, 29108), (760, 17618), (766, 17480), (874, 15320), (920, 14554), (1520, 8809), (1532, 8740), (1748, 7660), (1840, 7277), (1915, 6992), (2185, 6128), (3064, 4370), (3496, 3830)]