28727240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37799}}^1$

素因数の和:37829

約数の個数: 32

約数和(自身を含む): 68040000

約数和(自身を除く): 39312760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 37799, 75598, 151196, 188995, 302392, 377990, 718181, 755980, 1436362, 1511960, 2872724, 3590905, 5745448, 7181810, 14363620, 28727240]

約数ペア:

[(1, 28727240), (2, 14363620), (4, 7181810), (5, 5745448), (8, 3590905), (10, 2872724), (19, 1511960), (20, 1436362), (38, 755980), (40, 718181), (76, 377990), (95, 302392), (152, 188995), (190, 151196), (380, 75598), (760, 37799)]