28716880

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15607}}^1$

素因数の和:15643

約数の個数: 40

約数和(自身を含む): 69674112

約数和(自身を除く): 40957232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 15607, 31214, 62428, 78035, 124856, 156070, 249712, 312140, 358961, 624280, 717922, 1248560, 1435844, 1794805, 2871688, 3589610, 5743376, 7179220, 14358440, 28716880]

約数ペア:

[(1, 28716880), (2, 14358440), (4, 7179220), (5, 5743376), (8, 3589610), (10, 2871688), (16, 1794805), (20, 1435844), (23, 1248560), (40, 717922), (46, 624280), (80, 358961), (92, 312140), (115, 249712), (184, 156070), (230, 124856), (368, 78035), (460, 62428), (920, 31214), (1840, 15607)]