28352560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{811}}^1$

素因数の和:866

約数の個数: 80

約数和(自身を含む): 72495360

約数和(自身を除く): 44142800

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, 437, 460, 760, 811, 874, 920, 1520, 1622, 1748, 1840, 2185, 3244, 3496, 4055, 4370, 6488, 6992, 8110, 8740, 12976, 15409, 16220, 17480, 18653, 30818, 32440, 34960, 37306, 61636, 64880, 74612, 77045, 93265, 123272, 149224, 154090, 186530, 246544, 298448, 308180, 354407, 373060, 616360, 708814, 746120, 1232720, 1417628, 1492240, 1772035, 2835256, 3544070, 5670512, 7088140, 14176280, 28352560]

約数ペア:

[(1, 28352560), (2, 14176280), (4, 7088140), (5, 5670512), (8, 3544070), (10, 2835256), (16, 1772035), (19, 1492240), (20, 1417628), (23, 1232720), (38, 746120), (40, 708814), (46, 616360), (76, 373060), (80, 354407), (92, 308180), (95, 298448), (115, 246544), (152, 186530), (184, 154090), (190, 149224), (230, 123272), (304, 93265), (368, 77045), (380, 74612), (437, 64880), (460, 61636), (760, 37306), (811, 34960), (874, 32440), (920, 30818), (1520, 18653), (1622, 17480), (1748, 16220), (1840, 15409), (2185, 12976), (3244, 8740), (3496, 8110), (4055, 6992), (4370, 6488)]